v3.25.1
REVENUE RECOGNITION
 3 Months Ended
Mar. 31, 2025
Revenue from Contract with Customer [Abstract]  
REVENUE RECOGNITION REVENUE RECOGNITION
Revenue by Geography. The table below presents the Company's operating revenue by principal geographic region (in millions):
Three Months Ended March 31,
20252024
Domestic (U.S. and Canada)$8,034 $7,673 
Atlantic1,899 1,833 
Latin America1,557 1,445 
Pacific1,722 1,588 
Total$13,213 $12,539 
Advance ticket sales. In the three months ended March 31, 2025 and 2024, the Company recognized approximately $4.3 billion and $4.0 billion, respectively, of passenger revenue for tickets that were included in Advance ticket sales at the beginning of those periods.
Ancillary services. The Company recorded approximately $1.0 billion and $984 million of ancillary fees within passenger revenue in the three months ended March 31, 2025 and 2024, respectively.
Frequent flyer deferred revenue. The table below presents a roll forward of Frequent flyer deferred revenue (in millions):
20252024
Balance at January 1$7,441 $7,143 
Miles earned919 840 
Travel miles redeemed(730)(665)
Non-travel miles redeemed(38)(39)
Balance at March 31$7,591 $7,279 
In the three months ended March 31, 2025 and 2024, the Company recognized, in Other operating revenue, $774 million and $714 million, respectively, related to the marketing, advertising, non-travel miles redeemed (net of related costs) and other travel-related benefits of the mileage revenue associated with our various partner agreements including, but not limited to, our JPMorgan Chase Bank, N.A. MileagePlus co-brand agreement. The portion related to the MileagePlus miles awarded of the total amounts received from our various partner agreements is deferred and presented in the table above as an increase to Frequent flyer deferred revenue.