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	193,739,825 1	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	41,947,000 2	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 ^[update] :

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 ^[update] :

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

• Major airlines of the United States
• World's largest airlines
• List of largest airlines in Europe
• List of largest airlines in Central America & the Caribbean
• List of largest airlines in Africa
• List of largest airlines in Asia
• List of largest airlines in South America
• List of largest airlines in Oceania

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