Commitments and Contingencies - Schedule of Contractual Commitments to Acquire Aircraft (Details)	3 Months Ended
	Mar. 31, 2025 aircraft
Aircrafts
Long-term Purchase Commitment [Line Items]
Last 9 months of 2025	40
2026	52
2027	72
2028	50
2029	40
Thereafter	6
Total	260
Airbus A220-100/300
Long-term Purchase Commitment [Line Items]
Last 9 months of 2025	10
2026	6
2027	12
2028	12
2029	2
Thereafter	0
Total	42
Airbus A320/321neo
Long-term Purchase Commitment [Line Items]
Last 9 months of 2025	5
2026	20
2027	38
2028	34
2029	34
Thereafter	0
Total	131
Number of long-range variant aircraft	7
Number of extra long-range variant aircrafts	49
Airbus A330-900neo
Long-term Purchase Commitment [Line Items]
Last 9 months of 2025	0
2026	1
2027	0
2028	0
2029	0
Thereafter	0
Total	1
Airbus A350F
Long-term Purchase Commitment [Line Items]
Last 9 months of 2025	0
2026	0
2027	0
2028	2
2029	4
Thereafter	1
Total	7
Boeing 737-8/9 MAX
Long-term Purchase Commitment [Line Items]
Last 9 months of 2025	18
2026	20
2027	21
2028	2
2029	0
Thereafter	5
Total	66
Boeing 787-9/10
Long-term Purchase Commitment [Line Items]
Last 9 months of 2025	7
2026	5
2027	1
2028	0
2029	0
Thereafter	0
Total	13