List of largest airlines in North America

These are lists of the largest airlines in North America, ranked by several metrics.

By available seat miles (ASMs)

Numbers are listed in billions of ASMs.

Rank Airline Country 2024 2023 2022 2021 2020 2019 Ref
1 United Airlines United States 311 291 248 179 123 285 [1]
2 American Airlines United States 293 278 260 215 143 285 [2]
3 Delta Air Lines United States 288 272 233 194 134 275 [3]
4 Southwest Airlines United States 178 170 148 132 103 157 [4]
5 Air Canada Canada 104 99 [5]
6 JetBlue United States 66 68 [6]
7 Alaska Airlines United States 64 63 [7]
8 Spirit Airlines United States 53 56 [8]
9 Frontier Airlines United States 40 38 [9]

By passengers carried

This is a list of North America's largest passenger airlines in terms of enplaned passengers. Passenger numbers shown are inclusive of regional carriers operating under contract where applicable.

Airlines Country 2025 2024 2023 2022 2021 2020 2019 Ref
American Airlines United States 223,540,000 226,405,000 210,692,000 199,288,000 165,682,000 95,324,000 215,182,000 [10]
Delta Air Lines United States TBA 200,000,000 190,000,000 177,000,000 TBA TBA 204,000,000 [11]
United Airlines United States 181,053,000 173,603,000 164,927,000 144,300,000 104,082,000 57,761,000 162,443,000 [12]
Southwest Airlines United States 168,334,000 175,466,000 171,817,000 156,982,000 123,264,000 67,785,000 162,681,000 [13]
Alaska Airlines United States 58,627,000 49,238,000 44,557,000 41,468,000 32,407,000 17,927,000 46,733,000 [14]
Air Canada Canada TBA 47,000,000 44,790,000 36,144,000 13,192,000 13,760,000 51,543,000 [15]
Spirit Airlines United States TBA 44,180,000 44,105,000 38,463,000 30,828,000 18,746,000 34,537,000 [16]
JetBlue Airways United States 39,336,000 40,498,000 42,534,000 39,562,000 30,094,000 14,274,000 42,727,694 [17]
Frontier Airlines United States TBA 33,296,000 30,218,000 25,486,000 20,708,000 13,065,000 21,869,000 [18]
Volaris Mexico TBA 29,473,000 33,497,000 31,051,000 24,405,000 14,100,000 21,975,000 [19]
Viva Mexico TBA 27,695,000 24,992,000 20,698,000 15,268,000 8,123,000 12,019,114 [20]
WestJet Canada TBA TBA TBA TBA TBA TBA TBA [21][22]
Aeroméxico Mexico TBA 25,337,000 24,760,000 21,724,000 16,553,000 9,484,000 20,689,000 [23]
Allegiant Air United States 18,518,653 16,764,283 17,143,870 16,630,138 13,509,544 8,553,623 14,823,267 [24]
Interjet Mexico n/a n/a n/a n/a n/a n/a 15,184,720 [25]
Hawaiian Airlines United States n/a TBA 10,879,000 10,015,000 6,543,000 3,363,000 11,751,003 [26]
Flair Airlines Canada TBA TBA 4,500,000 [27]
Sun Country Airlines United States TBA 4,483,515 4,140,663 3,598,584 2,733,364 1,740,000 3,127,000 [28]

By fleet size

This is a list of airlines ranked by fleet size—not including subsidiaries, nor on order/planned aircraft--as of February 18, 2026:

Airline Fleet size Ref
United Airlines 1,030
American Airlines 993
Delta Air Lines 983
Southwest Airlines 809
SkyWest Airlines 579
JetBlue Airways 280
Alaska Airlines 238
Republic Airways 300
Air Canada 208
Envoy Air 180
Spirit Airlines 164
Frontier Airlines 161
PSA Airlines 144
WestJet 143
Endeavor Air 138
Volaris 106
Allegiant Air 127
Aeroméxico 122
Air Canada Express 105 [29]
Jazz Aviation 99
VivaAerobús 87
Hawaiian Airlines 73
Piedmont Airlines 69
Porter Airlines 66
CommuteAir 60
Mesa Airlines 60
Sun Country Airlines 59
Breeze Airways 50
GoJet Airlines 50
Air Transat 44
Air Canada Rouge 37
Air Wisconsin 35
Aeroméxico Connect 34
Canadian North 32
Avelo Airlines 21
Flair Airlines 20
Sunwing Airlines 12
Arajet 10
Cubana de Aviación 2

By number of destinations

This is a list of airlines ranked by number of destinations, as of February 7, 2026:

Airline Destinations
Domestic International Total Ref
United Airlines 240 151 391 [30]
American Airlines 233 134 367 [31]
Delta Air Lines 212 103 315 [32]
Air Canada 48 156 204 [33]
Alaska Airlines 111 31 142 [34]
WestJet 43 96 139 [35]
Allegiant Air 126 0 126 [36]
Southwest Airlines 106 16 122 [37]
JetBlue 67 47 114 [38]
Aeromexico 48 55 103 [39]
Frontier Airlines 81 18 99 [40]
Sun Country Airlines 74 18 92 [41]
Breeze Airways 80 3 83 [42]
Air Transat 10 64 74 [43]
Spirit Airlines 43 27 70 [44]
Volaris 44 26 70 [45]
Viva 44 19 63 [46]
Porter Airlines 24 22 46 [47]
Avelo Airlines 31 1 32 [48]
Flair Airlines 16 12 28 [49]
Canadian North 28 0 28 [50]
Hawaiian Airlines 18 9 27 [51]
Mexicana de Aviación 15 0 15 [52]
Air North 13 0 13 [53]

By frequency

This is a list of airlines ranked by daily flights (frequency):[54]

Airline Daily departures Ref
American Airlines 5,946
Delta Air Lines 4,343
United Airlines 4,167
Southwest Airlines 3,592
Air Canada 1,500
Alaska Airlines 1,200
JetBlue 925
WestJet 777 [55]
Aeromexico 600
Frontier Airlines 500
Spirit Airlines 400
Interjet 270
Allegiant Air 242
Hawaiian Airlines 212
Volaris 200
VivaAerobus 115
Breeze Airways 105
Sun Country Airlines 47

See also

References

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