v3.25.2
Cover - shares
6 Months Ended
Jun. 30, 2025
Aug. 04, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-35186  
Entity Registrant Name SPIRIT AVIATION HOLDINGS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 33-3711797  
Entity Address, Address Line One 1731 Radiant Drive  
Entity Address, City or Town Dania Beach  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33004  
City Area Code 954  
Local Phone Number 447-7920  
Title of 12(b) Security Common Stock, $0.0001 par value  
Security Exchange Name NYSEAMER  
Trading Symbol FLYY  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Bankruptcy Proceedings, Reporting Current true  
Entity Common Stock, Shares Outstanding   25,882,259
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0001498710  
Current Fiscal Year End Date --12-31