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 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 Ref
American Airlines United States 226,405,000 210,692,000 199,288,000 165,682,000 95,324,000 215,182,000 203,745,000 199,640,000 198,714,575 201,249,127 197,340,801 193,739,8251 107,806,578 [10]
Delta Air Lines United States 200,000,000 190,000,000 177,000,000 TBA TBA 204,000,000 192,465,271 186,382,771 183,741,787 179,382,874 171,350,030 164,659,644 164,571,529 [11]
Southwest Airlines United States 175,466,000 171,817,000 156,982,000 123,264,000 67,785,000 162,681,000 163,605,833 157,677,218 151,740,357 144,574,882 135,767,188 133,155,030 133,978,100 [12]
United Airlines United States 173,603,000 164,927,000 144,300,000 104,082,000 57,761,000 162,443,000 158,330,000 148,067,000 143,177,000 140,369,000 138,029,000 139,209,000 140,441,000 [13]
Alaska Airlines United States 49,238,000 44,557,000 41,468,000 32,407,000 17,927,000 46,733,000 45,802,000 44,034,000 41,947,0002 31,883,000 29,278,000 27,414,000 25,896,000 [14]
Air Canada Canada 47,000,000 44,790,000 36,144,000 13,192,000 13,760,000 51,543,000 50,904,000 48,126,000 44,849,000 41,126,000 38,526,000 35,761,000 34,900,000 [15]
Spirit Airlines United States 44,180,000 44,105,000 38,463,000 30,828,000 18,746,000 34,537,000 29,312,000 24,183,070 21,618,039 17,921,419 14,293,703 12,413,812 10,422,548 [16]
JetBlue Airways United States 40,498,000 42,534,000 39,562,000 30,094,000 14,274,000 42,727,694 42,149,989 40,038,090 38,263,104 35,100,986 32,078,316 30,463,226 28,956,213 [17]
Frontier Airlines United States 33,296,000 30,218,000 25,486,000 20,708,000 13,065,000 21,869,000 18,669,000 15,970,000 14,773,000 12,569,000 11,328,000 9,874,000 9,927,000 [18]
Volaris Mexico 29,473,000 33,497,000 31,051,000 24,405,000 14,100,000 21,975,000 18,396,000 16,427,000 15,005,000 11,983,000 9,809,000 8,900,000 7,057,700 [19]
Viva Mexico 27,695,000 24,992,000 20,698,000 15,268,000 8,123,000 12,019,114 10,014,062 8,195,566 6,373,626 4,760,000 4,000,000 n/a n/a [20]
WestJet Canada TBA TBA TBA TBA TBA TBA 25,491,290 24,137,477 21,951,463 20,281,376 19,651,977 18,485,144 17,423,000 [21][22]
Aeroméxico Mexico 25,337,000 24,760,000 21,724,000 16,553,000 9,484,000 20,689,000 21,878,000 20,666,000 19,703,000 18,769,000 17,190,000 15,488,000 14,812,000 [23]
Allegiant Air United States 16,764,283 17,143,870 16,630,138 13,509,544 8,553,623 14,823,267 13,606,103 12,138,146 11,003,864 9,355,097 8,017,442 7,103,366 6,591,707 [24]
Interjet Mexico n/a n/a n/a n/a n/a 15,184,720 13,880,000 12,378,000 11,122,000 10,483,000 8,686,000 n/a n/a [25]
Hawaiian Airlines United States TBA 10,879,000 10,015,000 6,543,000 3,363,000 11,751,003 11,840,178 11,505,324 11,050,911 10,672,667 10,195,145 9,935,743 9,484,204 [26]
Flair Airlines Canada TBA 4,500,000 [18]
Sun Country Airlines United States 4,483,515 4,140,663 3,598,584 2,733,364 1,740,000 3,127,000 2,089,000 2,062,000 1,793,000 1,851,000 1,576,000 1,439,000 1,228,000 [27]
Notes
  • ^1 Numbers on and after 2013 are for the merged American/US Airways
  • ^2 Numbers on and after 2016 are for the merged Alaska/Virgin America

By fleet size

This is a list of airlines ranked by fleet size--not including subsidiaries, nor on order/planned aircraft--as of May 29, 2025:

Airline Fleet size Ref
United Airlines 1,030 [28]
American Airlines 993 [29]
Delta Air Lines 983 [30]
Southwest Airlines 809 [31]
SkyWest Airlines 579 [32]
JetBlue Airways 280 [33]
Alaska Airlines 238 [34]
Republic Airways 209 [35]
Air Canada 208 [36]
Envoy Air 169 [37]
Spirit Airlines 164 [38]
Frontier Airlines 161 [39]
PSA Airlines 144 [40]
WestJet 143 [41]
Endeavor Air 138 [42]
Volaris 106 [43]
Allegiant Air 127 [44]
Aeroméxico 122 [45]
Air Canada Express 105 [46]
Jazz Aviation 99 [47]
VivaAerobús 87 [48]
Hawaiian Airlines 73 [49]
Piedmont Airlines 69 [50]
Porter Airlines 66 [51]
CommuteAir 60 [52]
Mesa Airlines 60 [53]
Sun Country Airlines 59 [54]
Breeze Airways 50 [55]
GoJet Airlines 50 [56]
Air Transat 44 [57]
Air Canada Rouge 37 [58]
Air Wisconsin 35 [59]
Aeroméxico Connect 34 [60]
Canadian North 32 [61]
Avelo Airlines 21 [62]
Flair Airlines 20 [63]
Sunwing Airlines 12 [64]
Arajet 10 [65]
Cubana de Aviación 2 [66]

By number of destinations

This is a list of airlines ranked by number of destinations, as of July 25, 2025:

Airline Destinations
Domestic International Total Ref
United Airlines 221 149 370 [67]
American Airlines 229 130 359 [68]
Delta Air Lines 213 100 313 [69]
Air Canada 50 146 196 [70]
Alaska Airlines 107 21 128 [71]
WestJet 43 82 125 [72]
Allegiant Air 122 0 122 [73]
Southwest Airlines 103 14 117 [74]
JetBlue 65 46 111 [75]
Frontier Airlines 85 20 105 [76]
Aeromexico 48 54 102 [77]
Sun Country Airlines 78 20 98 [78]
Spirit Airlines 60 25 85 [79]
Volaris 44 27 71 [80]
Breeze Airways 71 0 71 [81]
Air Transat 10 57 67 [82]
Viva 44 18 64 [83]
Avelo Airlines 48 4 52 [84]
Porter Airlines 24 21 45 [85]
Hawaiian Airlines 20 10 30 [86]
Flair Airlines 14 11 25 [87]
Mexicana de Aviación 15 0 15 [88]

By frequency

This is a list of airlines ranked by daily flights (frequency):[89]

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 [90]
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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