v3.24.0.1
Revenue Recognition (Tables)
12 Months Ended
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]  
Disaggregation of revenue The following table provides revenue recognized by revenue source for the years ended December 31, 2023, 2022, and 2021 (in millions):
Twelve Months Ended December 31,
202320222021
Passenger revenue
Passenger travel$8,403 $8,078 $5,304 
Loyalty revenue - air transportation605 508 305 
Other revenue
Loyalty revenue422 391 306 
Other revenue185 181 122 
Total operating revenue$9,615 $9,158 $6,037 
Contract with customer, contract asset, contract liability, and receivable
Our contract liabilities primarily consist of ticket sales for which transportation has not yet been provided, unused credits available to customers, and outstanding loyalty points available for redemption (in millions):
December 31, 2023December 31, 2022
Air traffic liability - passenger travel$1,099 $1,291 
Air traffic liability - loyalty program (air transportation)1,072 1,000 
Deferred revenue (1)
487 530 
Total $2,658 $2,821 
(1) Deferred revenue is included within other accrued liabilities and other liabilities on our consolidated balance sheets.
The table below presents the activity of the current and non-current air traffic liability for our loyalty program, and includes points earned and sold to participating companies for the years ended December 31, 2023 and 2022 (in millions):
Balance at December 31, 2021$891 
TrueBlue® points redeemed passenger
(508)
TrueBlue® points earned and sold
617 
Balance at December 31, 20221,000 
TrueBlue® points redeemed passenger
(605)
TrueBlue® points redeemed other
(24)
TrueBlue® points earned and sold
701 
Balance at December 31, 2023$1,072