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REVENUE RECOGNITION (Tables)
9 Months Ended
Sep. 30, 2024
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
Passenger Revenue
Three Months Ended September 30,
Nine Months Ended September 30,
(in millions)2024202320242023
Ticket$11,645 $11,733 $33,827 $32,801 
Loyalty travel awards978 902 2,798 2,547 
Travel-related services484 484 1,454 1,387 
Passenger revenue$13,107 $13,119 $38,079 $36,735 
Other Revenue
Three Months Ended September 30,
Nine Months Ended September 30,
(in millions)2024202320242023
Refinery$1,083 $935 $3,520 $2,817 
Loyalty program820 791 2,451 2,291 
Ancillary businesses161 212 554 657 
Miscellaneous310 277 906 790 
Other revenue$2,374 $2,215 $7,431 $6,555 
Schedule of Activity in Loyalty Program Deferred Revenue
The table below presents the activity of the current and noncurrent loyalty program deferred revenue and includes miles earned through travel and miles sold to participating companies, which are primarily through marketing agreements.

Loyalty program activity
(in millions)20242023
Balance at January 1$8,420 $7,882 
Miles earned3,303 3,164 
Miles redeemed for air travel(2,798)(2,547)
Miles redeemed for non-air travel and other(173)(126)
Balance at September 30
$8,752 $8,373 
Schedule of Revenue by Geographic Region Our passenger and operating revenue by geographic region is summarized in the following tables:
Passenger revenue by geographic region
Three Months Ended September 30,
Nine Months Ended September 30,
(in millions)2024202320242023
Domestic$8,652 $8,662 $26,033 $25,200 
Atlantic3,029 3,110 7,159 7,157 
Latin America779 788 3,008 2,846 
Pacific647 559 1,879 1,532 
Total$13,107 $13,119 $38,079 $36,735 

Operating revenue by geographic region
Three Months Ended September 30,
Nine Months Ended September 30,
(in millions)2024202320242023
Domestic$10,609 $10,461 $32,216 $30,607 
Atlantic3,418 3,497 8,209 8,223 
Latin America889 891 3,432 3,208 
Pacific761 639 2,227 1,787 
Total$15,677 $15,488 $46,084 $43,825