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COMMITMENTS AND CONTINGENCIES (Tables)
 3 Months Ended
Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future aircraft purchase commitments
Our future aircraft purchase commitments totaled approximately $20.7 billion at March 31, 2024.

Aircraft purchase commitments(1)
(in millions)Total
Nine months ending December 31, 2024$2,990 
20253,970 
20264,990 
20275,020 
20282,980 
Thereafter770 
Total$20,720 
(1)The timing of these commitments is based on our contractual agreements with the aircraft manufacturers and remains uncertain due to supply chain, manufacturing and regulatory constraints.

Our future aircraft purchase commitments included the following aircraft at March 31, 2024:

Aircraft purchase commitments by fleet type
Aircraft TypePurchase Commitments
A220-30076 
A321-200neo101 
A330-900neo12 
A350-90016 
A350-100020 
B-737-10100 
Total325