Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Inactive period before expiration of mileage credits (in months) Inactive Period Before Expiration Of Mileage Credits Inactive Period Before Expiration Of Mileage Credits Weighted average shares outstanding (in thousands): Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Other nonoperating special items, net Other Nonoperating Special Items, Net Other Nonoperating Special Items, Net Federal Income Tax Jurisdiction, Domestic Federal [Member] Title of 12(b) Security Title of 12(b) Security Carrying Value Reported Value Measurement [Member] Net income (loss) for purposes of computing diluted EPS Net Income (Loss) Available to Common Stockholders, Diluted Document Fiscal Year Focus Document Fiscal Year Focus Decrease (increase) in restricted short-term investments Increase (Decrease) of Restricted Investments Average interest rate Debt, Weighted Average Interest Rate Adjustment to Compensation, Amount Adjustment to Compensation Amount Aircraft rent Airline, Aircraft Rent Expense Financial Instrument [Axis] Financial Instrument [Axis] Schedule of Assets Measured at Fair Value on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Common stock, $0.01 par value; 1,750,000,000 shares authorized, 661,936,666 shares issued and outstanding at June 30, 2026; 660,301,080 shares issued and outstanding at December 31, 2025 Common stock, $1.00 par value; 1,000 shares authorized, issued and outstanding Common Stock, Value, Issued Republic Airways Holdings Inc. Republic Airline Inc [Member] Republic Airline Inc [Member] Senior short-term term loan facility Senior Unsecured Short Term Loan Facility [Member] Senior Unsecured Short Term Loan Facility Revenue from External Customers by Products and Services [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Table] Accrued salaries and wages Employee-related Liabilities, Current 2025-1 Aircraft EETC Equipment Notes Schedule of Long-Term Debt Instruments [Table Text Block] Net payments on fuel financing Net Proceeds (Payments) From Short-Term Loans and Notes Payable Net Proceeds (Payments) From Short-Term Loans and Notes Payable Other assets Other Assets, Miscellaneous, Noncurrent Regional expenses Airline, Capacity Purchase Arrangement Expense Loyalty revenue - marketing services Loyalty Program, Marketing Services [Member] Loyalty Program, Marketing Services [Member] Employee Benefit Plans Retirement Benefits [Text Block] Line of Credit Line of Credit [Member] Passenger Passenger [Member] Restatement Determination Date Restatement Determination Date Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Settlement of warrants Adjustments To Additional Paid In Capital, Warrant Settlement Adjustments To Additional Paid In Capital, Warrant Settlement Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss) before Reclassifications, Tax Aircraft fuel, spare parts and supplies, net Airline Related Inventory, Net Amendment Flag Amendment Flag Current liabilities Liabilities, Current [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Class of Warrant or Right [Table] Class of Warrant or Right [Table] Investments Investment [Text Block] Mainline operating special items, net Restructuring And Other, Net Restructuring And Other, Net Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Number of aircrafts financed Airline, Aircraft Operated, Number Total noncurrent liabilities Liabilities, Noncurrent Transactions with Related Parties Related Party Transactions Disclosure [Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Amounts reclassified from AOCI Reclassification out of Accumulated Other Comprehensive Income [Member] PSP2 Warrants Payroll Support Program Two Warrants, CARES Act [Member] Payroll Support Program Two Warrants, CARES Act Noncurrent liabilities Liabilities, Noncurrent [Abstract] Intangibles, net of accumulated amortization of $853 and $848, respectively Intangibles, net of accumulated amortization of $853 and $848, respectively Intangible Asset, Excluding Goodwill, after Accumulated Amortization 2019-1 Engine Enhanced Equipment Trust Certificate 2019-1 Engine Enhanced Equipment Trust Certificate [Member] 2019-1 Engine Enhanced Equipment Trust Certificate Basic (in shares) Weighted average common shares outstanding (in thousands), basic (in shares) Basic weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Retirement Benefits [Abstract] Retirement Benefits [Abstract] Schedule of Net Receivables (Payables) to Related Parties Schedule of Related Party Transactions [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Private Party Antitrust Actions Related to the Northeast Alliance Private Party Antitrust Actions Related to the Northeast Alliance [Member] Private Party Antitrust Actions Related to the Northeast Alliance Total current liabilities Liabilities, Current Enhanced Equipment Trust Certificates (EETC) Enhanced Equipment Trust Certificate [Member] Loyalty program liability Loyalty Program [Member] Loyalty Program [Member] Entity Address, City or Town Entity Address, City or Town Payroll Support Program Promissory Note Two, CARES Act Payroll Support Program Promissory Note Two, CARES Act [Member] Payroll Support Program Promissory Note Two, CARES Act Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Document Information [Line Items] Document Information [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Level 2 Fair Value, Inputs, Level 2 [Member] Accumulated amortization of intangibles Intangible Asset, Finite-Lived, Accumulated Amortization Nonoperating income (expense): Nonoperating Income (Expense) [Abstract] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Line of credit facility, aggregate commitments Line of Credit Facility, Maximum Borrowing Capacity Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Less: Current maturities Long-Term Debt, Current Maturities AAG Parent Company [Member] Intercompany equity transfer Intercompany Equity Transfer Intercompany Equity Transfer Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Other comprehensive income (loss) before reclassifications OCI, before Reclassifications, before Tax, Attributable to Parent Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Litigation Case [Axis] Litigation Case [Axis] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Related Party [Axis] Related and Nonrelated Parties [Axis] Unsecured Debt Unsecured Debt [Member] Total other comprehensive income, net of tax Other comprehensive income, net Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Long-term debt, net of current maturities Long-Term Debt Exercise price of warrants (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Non-cash transactions: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Document Period End Date Document Period End Date 2026 Engine Enhanced Equipment Trust Certificate ("EETCs") 2026 Engine Enhanced Equipment Trust Certificate ("EETCs") [Member] 2026 Engine Enhanced Equipment Trust Certificate ("EETCs") Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Special Facility Revenue Bonds Special Facility Revenue Bonds [Member] Special Facility Revenue Bonds [Member] Aggregate principal issued Debt Instrument, Face Amount Basic EPS: Earnings Per Share, Basic [Abstract] Operating expenses: Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Long-Term And Short-Term Debt, Type [Domain] Long-Term And Short-Term Debt, Type [Domain] Long-Term And Short-Term Debt, Type [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Operating lease liabilities Operating Lease, Liability, Current Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Repurchase agreements Repurchase Agreements [Member] Earnings (Loss) Per Common Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings (loss) per common share: Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Trading Symbol Trading Symbol Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Tax AOCI Tax, Attributable to Parent [Roll Forward] AOCI Tax, Attributable to Parent [Roll Forward] Long-term investments Long Term Investments, Fair Value Disclosure Long Term Investments, Fair Value Disclosure Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Company Selected Measure Name Company Selected Measure Name Litigation reserve adjustments Gain (Loss) from Litigation Settlement Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Schedule of Equity Investments [Table] Schedule of Investments [Table] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Amounts reclassified from AOCI Reclassification from AOCI, Current Period, before Tax, Attributable to Parent Diluted EPS: Earnings Per Share, Diluted [Abstract] Pension, Retiree Medical and Other Postretirement Benefits Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Long-term debt Long-Term Debt, Gross Ownership interest, fair value method investments Equity Ownership, Excluding Consolidated Entity and Equity Method Investee, Percentage Asset Class [Domain] Asset Class [Domain] Credit Facility [Domain] Credit Facility [Domain] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Related Party Transactions [Abstract] Related Party Transactions [Abstract] Receivables from related parties, net Total Other Receivables, Net, Current Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Other Revolving Facility Other Revolving Facility [Member] Other Revolving Facility Diluted (in shares) Diluted weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Preferred Stock Purchase Rights Warrant [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Pension and postretirement benefits Liability, Defined Benefit Plan, Noncurrent Underlying Security Market Price Change Underlying Security Market Price Change, Percent Total property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization NOL carryforwards Operating Loss Carryforwards Entities [Table] Entities [Table] Short-term debt Short-Term Debt Amortization of: Defined Benefit Plan, Amortization [Abstract] Defined Benefit Plan, Amortization [Abstract] Equipment Loans and Other Notes Payable Equipment Loans and Other Notes Payable [Member] Equipment Loans and Other Notes Payable [Member] Defined benefit plan, contributed amount Defined Benefit Plan, Plan Assets, Contributions by Employer Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Less accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Award Timing Predetermined Award Timing Predetermined [Flag] Restricted cash included in restricted cash and short-term investments Restricted Cash, Current Equipment Loans and Other Notes Payable Issued in Current Year Equipment Loans and Other Notes Payable Issued in Current Year [Member] Equipment Loans and Other Notes Payable Issued in Current Year Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Level 1 Fair Value, Inputs, Level 1 [Member] Remaining escrowed proceeds Noncash Or Part Noncash Transaction, Held In Escrow Noncash Or Part Noncash Transaction, Held In Escrow Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Movement In Contract With Customer, Liability [Roll Forward] Movement In Contract With Customer, Liability [Roll Forward] Movement In Contract With Customer, Liability [Roll Forward] Dilutive effect of certain PSP Warrants and Treasury Loan Warrants (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Dilutive effect of restricted stock unit awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Loyalty revenue - travel Loyalty Program, Travel Redemptions [Member] Loyalty Program, Travel Redemptions [Member] All Executive Categories All Executive Categories [Member] 2026-1 Aircraft EEETCs, Series A 2026-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series A [Member] 2026-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series A Labor contract expenses Other Labor-related Expenses Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Long-term debt, fair value Long-term debt, including current maturities Long-Term Debt, Fair Value Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Finance leases converted to operating leases Other Significant Noncash Transaction, Finance Lease Conversion To Operating Lease Other Significant Noncash Transaction, Finance Lease Conversion To Operating Lease Schedule of Net Periodic Benefit Cost (Income) Schedule of Net Benefit Costs [Table Text Block] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Selling expenses Selling and Marketing Expense Schedule of Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Current maturities of long-term debt and finance leases Long-Term Debt and Lease Obligation, Current Minimum Minimum [Member] 2026-1 Class (B)R Aircraft Enhanced Equipment Trust Certificate ("EETCs") 2026-1 Class (B)R Aircraft Enhanced Equipment Trust Certificate ("EETCs") [Member] 2026-1 Class (B)R Aircraft Enhanced Equipment Trust Certificate ("EETCs") Expiration Date Trading Arrangement Expiration Date Schedule of Revenue Disaggregation of Revenue [Table Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] American Airlines, Inc. American Airlines, Inc. [Member] American Airlines, Inc. Net periodic benefit cost (income) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Flight equipment Airline, Property, Plant, and Equipment, Flight Equipment, before Accumulated Depreciation Schedule of Carrying Value and Estimated Fair Value of Long-Term Debt, Including Current Maturities Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Exercise Price Award Exercise Price Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Other operating special items, net Other Operating Special Charges, Net Other Operating Special Charges, Net Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Debt Debt Disclosure [Text Block] Repayments of long-term debt Repayments of Long-Term Debt Less: Total unamortized debt discount, premium and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Schedule of Special Items, Net in Condensed Consolidated Statements of Operations Restructuring and Related Costs [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Carrying value, equity method investments Equity Method Investments Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Secured Debt Secured Debt [Member] Government Assistance, Type [Axis] Government Assistance, Type [Axis] Total operating expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Counterparty Name [Domain] Counterparty Name [Domain] Fixed interest rate per annum Debt Instrument, Interest Rate, Stated Percentage Total stockholders' equity (deficit) Beginning balance Ending balance Equity, Attributable to Parent Total nonoperating expense, net Nonoperating other income (expense), net Nonoperating Income (Expense) Payroll Support Program Promissory Note Three, CARES Act Payroll Support Program Promissory Note Three, CARES Act [Member] Payroll Support Program Promissory Note Three, CARES Act ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other investments Other Investments Before tax AOCI Before Tax, Attributable To Parent [Roll Forward] AOCI Before Tax, Attributable To Parent [Roll Forward] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] 5.75% Senior Notes Senior Note 5.75% Matures 2029 [Member] Senior Note 5.75% Matures 2029 Insider Trading Policies and Procedures [Line Items] Other financing activities Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Operating loss carryforwards and other carryforwards, not subject to expiration Operating Loss Carryforwards And Other Carryforwards, Not Subject to Expiration Operating Loss Carryforwards And Other Carryforwards, Not Subject to Expiration Schedule of Revolving Credit and Other Facilities Schedule of Line of Credit Facilities [Table Text Block] Prepaid expenses and other Prepaid Expense and Other Assets, Current Letter of Credit Letter of Credit [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Antidilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Sales of short-term investments Proceeds from Sale of Short-Term Investments Restricted stock unit awards Restricted Stock Units (RSUs) [Member] Schedule of Anti-Dilutive Securities Excluded From Calculation of Diluted EPS Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Fuel financing Short-Term Bank Loans and Notes Payable Entity Central Index Key Entity Central Index Key 2026 Refinancing Term Loans Credit Facility 2014 - 2026 Refinancing Term Loans [Member] Credit Facility 2014 - 2026 Refinancing Term Loans Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Additional paid-in capital Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Legal Proceedings Legal Matters and Contingencies [Text Block] Stockholder’s equity Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Income Statement [Abstract] Deferral of revenue Contract With Customer, Liability, Increase From Deferral Of Revenue Contract With Customer, Liability, Increase From Deferral Of Revenue Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Schedule of Investments [Line Items] Schedule of Investments [Line Items] Investment, Name [Axis] Investment, Name [Axis] Revenue recognition term (in months) Revenue, Performance Obligation, Payment Term Revenue, Performance Obligation, Payment Term Deferred tax asset Deferred Income Tax Assets, Net Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] City Area Code City Area Code Variable Rate [Domain] Variable Rate [Domain] Prior service cost Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Total property and equipment, at cost Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Latin America Latin America Destination [Member] Document Information [Table] Document Information [Table] All Individuals All Individuals [Member] 6.50% convertible senior notes Convertible Debt Securities [Member] Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Total assets Assets Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Entity [Domain] Entity [Domain] Cargo Receivable Facility Cargo Receivable Facility [Member] Cargo Receivable Facility Prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Pension, retiree medical and other postretirement benefits Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Interest expense, net Interest Expense, Nonoperating AAG's wholly-owned subsidiaries Subsidiary of Common Parent [Member] Other comprehensive income (loss) before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent PEO PEO [Member] Total Debt, Long-Term and Short-Term, Combined Amount Mainline operating special items, net Mainline [Member] Measurement Basis [Axis] Measurement Basis [Axis] Other liabilities Other Liabilities, Noncurrent Goodwill Goodwill Retirement Plan Type [Axis] Retirement Plan Type [Axis] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Nonoperating special items, net Non-Operating Special Items, Net Nonoperating net expenses (credits) recognized in the period that are infrequent in occurrence or unusual in nature. Total Investments Recognition of revenue Recognition of revenue Contract with Customer, Liability, Revenue Recognized Operating loss carryforwards and other carryforwards, subject to expiration Operating Loss Carryforwards And Other Carryforwards, Subject To Expiration Operating Loss Carryforwards And Other Carryforwards, Subject To Expiration Operating leases converted to finance leases Other Significant Noncash Transaction, Operating Lease Conversion To Finance Lease Other Significant Noncash Transaction, Operating Lease Conversion To Finance Lease Retained Deficit Retained Earnings [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent Money market funds Money Market Funds [Member] Revolving Credit Facility Revolving Credit Facility [Member] Unrealized Loss on Investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Special items, net Restructuring And Other Expense (Income), Mainline Restructuring And Other Expense (Income), Mainline Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Actuarial loss Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Corporate obligations Corporate Debt Securities [Member] 2026 Incremental Term Loans Credit Facility 2014 - 2026 Incremental Term Loans [Member] Credit Facility 2014 - 2026 Incremental Term Loans Diluted (in dollars per share) Diluted EPS (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Other assets Other Assets, Noncurrent [Abstract] Litigation Case [Domain] Litigation Case [Domain] Ownership [Domain] Ownership [Domain] Amount drawn Proceeds from Long-Term Lines of Credit Equipment purchase deposits Deposits on Flight Equipment Long-term Purchase Commitment [Line Items] Long-Term Purchase Commitment [Line Items] Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Tax Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Total operating revenues Total passenger revenue Revenue from Contract with Customer, Excluding Assessed Tax Number of aircraft delivered or to be delivered Debt Instrument, Number Of Aircraft Delivered Or To Be Delivered Debt Instrument, Number Of Aircraft Delivered Or To Be Delivered Total Line of credit facility, available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Interest cost Defined Benefit Plan, Interest Cost Schedule of Equity Investment Ownership Interests and Carrying Values Investment [Table Text Block] Financial Instruments [Domain] Financial Instruments [Domain] Other rent and landing fees Airline, Landing Fee and Other Rent Expenses Expirations in the period (in shares) Class Of Warrant Or Right, Expired In The Period Class Of Warrant Or Right, Expired In The Period Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Purchases of short-term investments Payments to Acquire Short-Term Investments Fair Value Estimate of Fair Value Measurement [Member] 2026-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs") 2026-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs") [Member] 2026-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs") Revenue Recognition Revenue from Contract with Customer [Text Block] Regional Expenses [Line Items] Regional Expenses [Line Items] Regional Expenses [Line Items] Payments on long-term debt and finance leases Repayments of Debt and Lease Obligation Domestic Domestic Destination [Member] Cash Cash State Income Tax Jurisdiction, Domestic State and Local [Member] Tax Credit Carryforward [Line Items] Tax Credit Carryforward [Line Items] Other investing activities Payment for (Proceeds from) Other Investing Activity Maintenance, materials and repairs Airline, Maintenance and Repair Expenses Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date 6.50% Senior Notes Senior Notes 6.50% Due 2025 [Member] Senior Notes 6.50% Due 2025 Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Airline Destination [Domain] Airline Destination [Domain] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Beginning balance, before tax Ending balance, before tax AOCI before Tax, Attributable to Parent Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Service cost Defined Benefit Plan, Service Cost Equity Securities Equity Securities [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Entity Information [Line Items] Entity Information [Line Items] Beginning balance, tax Ending balance, tax AOCI Tax, Attributable to Parent Variable interest rate Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Short-term investments Debt Securities, Available-for-Sale, Current Equity Components [Axis] Equity Components [Axis] Other Other Cost and Expense, Operating AAdvantage Term Loan Facility, Fourth Amendment AAdvantage Term Loan Facility, Fourth Amendment [Member] AAdvantage Term Loan Facility, Fourth Amendment Total Related Party [Member] Product and Service [Domain] Product and Service [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Proceeds from sale-leaseback transactions and sale of property and equipment Proceeds From Sale Of Property Plant And Equipment and Sale Leaseback Transactions Proceeds From Sale Of Property Plant And Equipment and Sale Leaseback Transactions Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date 2023 Revolving Facility Credit Facility 2023 [Member] Credit Facility 2023 Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Total other assets Total other assets Other Assets, Noncurrent Document Type Document Type Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Loyalty program liability Contract with Customer, Liability, Noncurrent Retiree Medical and Other Postretirement Benefits Other Postretirement Benefits Plan [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Atlantic Atlantic Destination [Member] Net current-period other comprehensive income (loss) Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent 2026-1 Aircraft EEETCs, Series B 2026-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series B [Member] 2026-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series B Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies Commitments and Contingencies Restricted cash and short-term investments Restricted Cash and Investments, Current Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Supplemental contributions Defined Benefit Plan, Plan Assets, Supplemental Contributions By Employer Defined Benefit Plan, Plan Assets, Supplemental Contributions By Employer New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Long-term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] Net 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Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Retained deficit Retained Earnings (Accumulated Deficit) Investments Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] 2025-1 Aircraft EETCs, Series A 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series A [Member] 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series A Product and Service [Axis] Product and Service [Axis] Carrying value, fair value method investments Equity Securities, FV-NI Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to 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Trust Certificate ("EETCs") Equity Awards Adjustments Equity Awards Adjustments [Member] 2025 AAdvantage Term Loan Facility 2025 AAdvantage Term Loan Facility [Member] 2025 AAdvantage Term Loan Facility Total liabilities and stockholders’ equity (deficit) Liabilities and Equity Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Related Party [Domain] Related and Nonrelated Parties [Domain] Income Tax Authority [Domain] Income Tax Jurisdiction [Domain] Tabular List, Table Tabular List [Table Text Block] Other income (expense), net Other Nonoperating Income (Expense) Name Awards Close in Time to MNPI Disclosures, Individual Name Credit Facility 2014 - Term Loans Credit Facility 2014 - Term Loans [Member] Credit Facility 2014 - Term Loans Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Operating property and equipment Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization [Abstract] Regional Expenses Regional Operating Expenses [Text Block] Regional Operating Expenses [Text Block] Regional Expenses [Table] Regional Expenses [Table] Regional Expenses [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] AAG Other Receivables, Gross, Current Class Of Stock [Domain] Class of Stock [Domain] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest paid, net Interest Paid, Excluding Capitalized Interest, Operating Activity Capital expenditures and aircraft purchase deposits Payments to Acquire Productive Assets Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Ground property and equipment Ground Property and Equipment, Gross The gross amount of long-lived, depreciable ground property and equipment. Credit Facility [Axis] Credit Facility [Axis] Special Items, Net Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total Assets, Fair Value Disclosure Long-term debt and finance leases, net of current maturities Long-Term Debt and Lease Obligation Income Tax Authority [Axis] Income Tax Jurisdiction [Axis] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable AAG’s wholly-owned subsidiaries Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Restricted cash and short-term investments Restricted Cash And Cash Equivalents And Short-Term Investments, Fair Value Disclosure Restricted Cash And Cash Equivalents And Short-Term Investments, Fair Value Disclosure Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Long-Term And Short-Term Debt, Type [Axis] Long-Term And Short-Term Debt, Type [Axis] Long-Term And Short-Term Debt, Type Republic Airways Holdings, Inc. Republic Airways Holdings, Inc. [Member] Republic Airways Holdings, Inc. [Member] Prepayment of short-term term loan facility Repayments of Short-Term Debt Name Trading Arrangement, Individual Name Pacific Pacific Destination [Member] 8.50% Senior Notes 8.50% Senior Secured Notes Due 2029 [Member] 8.50% Senior Secured Notes Due 2029 Company Selected Measure Amount Company Selected Measure Amount Mark-to-market adjustments on equity investments, net Equity Securities, FV-NI, Unrealized Gain (Loss) Investments, Debt and Equity Securities [Abstract] SOFR Secured Overnight Financing Rate (SOFR) [Member] 2025-1 Aircraft EETCs, Series B 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series B [Member] 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series B Issuance of shares of AAG common stock pursuant to employee stock plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Property and equipment acquired through finance leases and other Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Current assets Assets, Current [Abstract] Government Assistance, Type [Domain] Government Assistance, Type [Domain] Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Right-of-use (ROU) assets acquired through operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income tax provision (benefit) Income Tax Expense (Benefit) Regional operating special items, net Regional Carrier [Member] 2014 Revolving Facility Credit Facility 2014 [Member] Credit Facility 2014 [Member] Debt refinancing and extinguishment Debt Refinancing, Debt Extinguishment And Other Expense, Net Debt Refinancing, Debt Extinguishment And Other Expense, Net Award Timing Method Award Timing Method [Text Block] Net increase in cash and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Other Product and Service, Other [Member] Payroll Support Program Promissory Note One, CARES Act Payroll Support Program Promissory Note One, CARES Act [Member] Payroll Support Program Promissory Note One, CARES Act Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Unrecognized net loss (gain) Defined Benefit Plan, Amortization of Gain (Loss) Aircraft fuel and related taxes Fuel Costs Net of tax AOCI Attributable to Parent, Net of Tax [Roll Forward] Net income (loss) Net income (loss) Net (loss) income Total reclassifications for the period, net of tax Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Debt instrument, basis spread on variable rate, interest rate margin Debt Instrument, Basis Spread On Variable Rate, Interest Rate Margin Debt Instrument, Basis Spread On Variable Rate, Interest Rate Margin Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Interest income Investment Income, Interest Schedule of Contract Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] 2021 AAdvantage Term Loan Facility 2021 AAdvantage Term Loan Facility [Member] 2021 AAdvantage Term Loan Facility 2013 Revolving Facility Credit Facility 2013 [Member] Credit Facility 2013 Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Airline, Expense [Abstract] Airline, Expense [Abstract] Number of pass through trusts Debt Instrument, Number Of Pass-Through Trusts Debt Instrument, Number Of Pass-Through Trusts Operating revenues: Revenues [Abstract] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Other revenue Other Revenue [Member] Other Revenue [Member]