Capacity Purchase Agreement with American	9 Months Ended
Sep. 30, 2025
Extractive Industries [Abstract]
Capacity Purchase Agreements with American	Capacity Purchase Agreement with American In August 2022, Air Wisconsin entered into the American capacity purchase agreement, pursuant to which Air Wisconsin agreed to provide up to 60 CRJ-200 regional jet aircraft for regional airline services for American. Air Wisconsin commenced flying operations for American in March 2023. In February 2023 and November 2023, American and Air Wisconsin entered into Amendment No. 1 and Amendment No. 3, respectively, to the American capacity purchase agreement which, among other things, amended (i) the schedule of certain pass-through costs; (ii) the calculation and timing of certain compensation-related payments; (iii) the compensation rates and bonus and rebate reconciliation; and (iv) the period and payment of a fixed amount from American to Air Wisconsin for pilot compensation and retention. In November 2024, American and Air Wisconsin entered into Amendment No. 4 which, among other things (i) resolved certain disputes with respect to the interpretation of American's payment obligations under the American capacity purchase agreement, (ii) accelerated the right of each of Air Wisconsin and American to terminate the American capacity purchase agreement for convenience, (iii) modified the way in which compensation rates and bonus and rebate reconciliations were made, (iv) modified the total number of aircraft and total number of hours for which Air Wisconsin received payment, and (v) provided for certain incentive payments made by American to Air Wisconsin. On April 3, 2025. the American capacity purchase agreement terminated, and all remaining Air Wisconsin aircraft covered by that agreement were withdrawn from service under the agreement. For additional information, please refer to Note 1, Summary of Significant Accounting Policies—Contract Revenues.

In August 2022, Air Wisconsin entered into the American capacity purchase agreement, pursuant to which Air Wisconsin agreed to provide up to 60 CRJ-200 regional jet aircraft for regional airline services for American. Air Wisconsin commenced flying operations for American in March 2023. In February 2023 and November 2023, American and Air Wisconsin entered into Amendment No. 1 and Amendment No. 3, respectively, to the American capacity purchase agreement which, among other things, amended (i) the schedule of certain pass-through costs; (ii) the calculation and timing of certain compensation-related payments; (iii) the compensation rates and bonus and rebate reconciliation; and (iv) the period and payment of a fixed amount from American to Air Wisconsin for pilot compensation and retention. In November 2024, American and Air Wisconsin entered into Amendment No. 4 which, among other things (i) resolved certain disputes with respect to the interpretation of American's payment obligations under the American capacity purchase agreement, (ii) accelerated the right of each of Air Wisconsin and American to terminate the American capacity purchase agreement for convenience, (iii) modified the way in which compensation rates and bonus and rebate reconciliations were made, (iv) modified the total number of aircraft and total number of hours for which Air Wisconsin received payment, and (v) provided for certain incentive payments made by American to Air Wisconsin.