v3.25.3
Revenue (Tables)
 9 Months Ended
Sep. 30, 2025
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Passenger Revenue The following table provides the components of Passenger revenue recognized for the three and nine months ended September 30, 2025 and 2024:
 Three months ended September 30,Nine months ended September 30,
(in millions)2025202420252024
Passenger non-loyalty$4,896 $5,092 $15,110 $15,316 
Passenger loyalty - air transportation805 896 2,475 2,589 
Passenger ancillary sold separately612 262 1,166 768 
Total passenger revenues$6,313 $6,250 $18,751 $18,673 
Schedule of Rollforward of Air Traffic Liability
As of September 30, 2025, and December 31, 2024, 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)September 30, 2025December 31, 2024
Air traffic liability - passenger travel and ancillary passenger services$3,620 $3,393 
Air traffic liability - loyalty program4,505 4,849 
Total Air traffic liability$8,125 $8,242 
Rollforwards of the Company's Air traffic liability - loyalty program for the three and nine months ended September 30, 2025 and 2024 were as follows:
Three months ended September 30,Nine months ended September 30,
(in millions)2025202420252024
Air traffic liability - loyalty program - beginning balance$4,693 $4,962 4,849 $4,916 
Amounts deferred associated with points awarded649 851 2,214 2,645 
Revenue recognized from points redeemed - Passenger(805)(896)(2,475)(2,589)
Revenue recognized from points redeemed - Other(32)(31)(83)(86)
Air traffic liability - loyalty program - ending balance$4,505 $4,886 $4,505 $4,886 
Rollforwards of the amounts included in Air traffic liability as of September 30, 2025 and 2024 were as follows:
Nine months ended September 30,
(in millions)20252024
Air traffic liability - beginning balance$8,242 $8,279 
Current period sales (a)18,496 19,181 
Revenue from amounts included in contract liability opening balances(4,634)(4,593)
Revenue from current period sales(13,979)(14,167)
Air traffic liability - ending balance$8,125 $8,700 
(a)Current period sales include passenger travel, ancillary services, flight loyalty, and partner loyalty