v3.26.1
Revenue (Tables)
6 Months Ended
Jun. 30, 2026
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Passenger Revenue The following tables provide the components of Passenger revenue and Other revenue recognized for the three and six months ended June 30, 2026 and 2025:
 Three months ended June 30,Six months ended June 30,
(in millions)2026202520262025
Passenger non-loyalty$6,104 (a)$5,448 $11,292 (a)$10,214 
Passenger loyalty - air transportation766 870 1,454 1,670 
Passenger ancillary sold separately (b)875 309 1,591 554 
Total passenger revenues$7,745 $6,627 $14,337 $12,438 
(a) Includes a reversal of previously recognized breakage revenue of approximately $285 million, related to the periods July 2022 through December 2025. See Note 1 for further information.
(b) The increase in Passenger ancillary sold separately in the three and six months ended June 30, 2026 as compared with the respective prior periods was due to the Company's initiative to implement new ancillary products—bag fees for most fare products beginning May 28, 2025, and operating assigned and extra legroom seating for travel beginning January 27, 2026, which includes the co-brand impact associated with those initiatives.

 Three months ended June 30,Six months ended June 30,
(in millions)2026202520262025
Loyalty program$578 $536 $1,135 $1,081 
Other59 37 117 67 
Total other revenues$637 $573 $1,252 $1,148 
Schedule of Rollforward of Air Traffic Liability
As of June 30, 2026, and December 31, 2025, the components of Air traffic liability, including contract liabilities based on tickets sold and unused flight credits available to the Customer, both of which are net of recorded breakage, and loyalty points available for redemption, within the unaudited Condensed Consolidated Balance Sheet were as follows:
 Balance as of
(in millions)June 30, 2026December 31, 2025
Air traffic liability - passenger travel and ancillary passenger services$4,010 $2,830 
Air traffic liability - loyalty program4,174 4,334 
Total Air traffic liability$8,184 $7,164 
Rollforwards of the Company's Air traffic liability - loyalty program for the three and six months ended June 30, 2026 and 2025 were as follows:
Three months ended June 30,Six months ended June 30,
(in millions)2026202520262025
Air traffic liability - loyalty program - beginning balance$4,278 $4,841 $4,334 $4,849 
Amounts deferred associated with points awarded695 748 1,357 1,565 
Revenue recognized from points redeemed - Passenger(766)(870)(1,454)(1,670)
Revenue recognized from points redeemed - Other(33)(26)(63)(51)
Air traffic liability - loyalty program - ending balance$4,174 $4,693 $4,174 $4,693 
Rollforwards of the amounts included in Air traffic liability as of June 30, 2026 and 2025 were as follows:
Six months ended June 30,
(in millions)20262025
Air traffic liability - beginning balance$7,164 $8,242 
Current period sales (a)14,891 12,489 
Revenue from amounts included in contract liability opening balances(3,515)(3,855)
Revenue from current period sales(10,356)(8,580)
Air traffic liability - ending balance$8,184 $8,296 
(a)Current period sales include passenger travel, ancillary services, flight loyalty, and partner loyalty