Commitments and Contingencies - Schedule of Contractual Commitments to Acquire Aircraft (Details)	6 Months Ended
	Jun. 30, 2024 aircraft
Aircrafts
Long-term Purchase Commitment [Line Items]
Last 6 months of 2024	50
2025	60
2026	60
2027	78
2028	52
Thereafter	7
Total	307
Airbus A220-100/300
Long-term Purchase Commitment [Line Items]
Last 6 months of 2024	11
2025	14
2026	6
2027	12
2028	12
Thereafter	2
Total	57
Airbus A320/321neo
Long-term Purchase Commitment [Line Items]
Last 6 months of 2024	9
2025	11
2026	30
2027	50
2028	36
Thereafter	4
Total	140
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 6 months of 2024	5
2025	1
2026	0
2027	0
2028	0
Thereafter	0
Total	6
Airbus A350-900/1000
Long-term Purchase Commitment [Line Items]
Last 6 months of 2024	2
2025	0
2026	0
2027	0
2028	0
Thereafter	0
Total	2
Airbus A350F
Long-term Purchase Commitment [Line Items]
Last 6 months of 2024	0
2025	0
2026	0
2027	4
2028	2
Thereafter	1
Total	7
Boeing 737-8/9 MAX
Long-term Purchase Commitment [Line Items]
Last 6 months of 2024	13
2025	27
2026	20
2027	12
2028	2
Thereafter	0
Total	74
Boeing 787-9/10
Long-term Purchase Commitment [Line Items]
Last 6 months of 2024	10
2025	7
2026	4
2027	0
2028	0
Thereafter	0
Total	21