List of largest airlines in North America
These are lists of the largest airlines in North America, ranked by several metrics.
Numbers are listed in billions of ASMs.
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 | |
| American Airlines | United States | 226,405,000 | 210,692,000 | 199,288,000 | 165,682,000 | 95,324,000 | 215,182,000 | |
| Delta Air Lines | United States | 200,000,000 | 190,000,000 | 177,000,000 | TBA | TBA | 204,000,000 | |
| Southwest Airlines | United States | 175,466,000 | 171,817,000 | 156,982,000 | 123,264,000 | 67,785,000 | 162,681,000 | |
| United Airlines | United States | 173,603,000 | 164,927,000 | 144,300,000 | 104,082,000 | 57,761,000 | 162,443,000 | |
| Alaska Airlines | United States | 49,238,000 | 44,557,000 | 41,468,000 | 32,407,000 | 17,927,000 | 46,733,000 | |
| Air Canada | Canada | 47,000,000 | 44,790,000 | 36,144,000 | 13,192,000 | 13,760,000 | 51,543,000 | |
| Spirit Airlines | United States | 44,180,000 | 44,105,000 | 38,463,000 | 30,828,000 | 18,746,000 | 34,537,000 | |
| JetBlue Airways | United States | 40,498,000 | 42,534,000 | 39,562,000 | 30,094,000 | 14,274,000 | 42,727,694 | |
| Frontier Airlines | United States | 33,296,000 | 30,218,000 | 25,486,000 | 20,708,000 | 13,065,000 | 21,869,000 | |
| Volaris | Mexico | 29,473,000 | 33,497,000 | 31,051,000 | 24,405,000 | 14,100,000 | 21,975,000 | |
| Viva | Mexico | 27,695,000 | 24,992,000 | 20,698,000 | 15,268,000 | 8,123,000 | 12,019,114 | |
| WestJet | Canada | TBA | TBA | TBA | TBA | TBA | TBA | |
| Aeroméxico | Mexico | 25,337,000 | 24,760,000 | 21,724,000 | 16,553,000 | 9,484,000 | 20,689,000 | |
| Allegiant Air | United States | 16,764,283 | 17,143,870 | 16,630,138 | 13,509,544 | 8,553,623 | 14,823,267 | |
| Interjet | Mexico | n/a | n/a | n/a | n/a | n/a | 15,184,720 | |
| Hawaiian Airlines | United States | TBA | 10,879,000 | 10,015,000 | 6,543,000 | 3,363,000 | 11,751,003 | |
| Flair Airlines | Canada | TBA | 4,500,000 | | | | | |
| Sun Country Airlines | United States | 4,483,515 | 4,140,663 | 3,598,584 | 2,733,364 | 1,740,000 | 3,127,000 | |
This is a list of airlines ranked by fleet size—not including subsidiaries, nor on order/planned aircraft--:
By number of destinations
This is a list of airlines ranked by number of destinations, :
This is a list of airlines ranked by daily flights :