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COMMITMENTS AND CONTINGENCIES (Tables)
 6 Months Ended
Jun. 30, 2023
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future aircraft purchase commitments
Our future aircraft purchase commitments totaled approximately $18.5 billion at June 30, 2023.

Aircraft purchase commitments(1)
(in millions)Total
Six months ending December 31, 2023$1,560 
20243,590 
20255,340 
20263,840 
20272,720 
Thereafter1,420 
Total$18,470 
(1)The timing of these commitments is based on our contractual agreements with the aircraft manufacturers and may be subject to change based on modifications to those agreements or changes in delivery schedules.

Our future aircraft purchase commitments included the following aircraft at June 30, 2023:

Aircraft purchase commitments by fleet type
Aircraft TypePurchase Commitments
A220-30070 
A321-200neo120 
A330-900neo17 
A350-90016 
B-737-10100 
Total323