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	Ref
American Airlines	United States	226,405,000	210,692,000	199,288,000	165,682,000	95,324,000	215,182,000	[10]
Delta Air Lines	United States	200,000,000	190,000,000	177,000,000	TBA	TBA	204,000,000	[11]
Southwest Airlines	United States	175,466,000	171,817,000	156,982,000	123,264,000	67,785,000	162,681,000	[12]
United Airlines	United States	173,603,000	164,927,000	144,300,000	104,082,000	57,761,000	162,443,000	[13]
Alaska Airlines	United States	49,238,000	44,557,000	41,468,000	32,407,000	17,927,000	46,733,000	[14]
Air Canada	Canada	47,000,000	44,790,000	36,144,000	13,192,000	13,760,000	51,543,000	[15]
Spirit Airlines	United States	44,180,000	44,105,000	38,463,000	30,828,000	18,746,000	34,537,000	[16]
JetBlue Airways	United States	40,498,000	42,534,000	39,562,000	30,094,000	14,274,000	42,727,694	[17]
Frontier Airlines	United States	33,296,000	30,218,000	25,486,000	20,708,000	13,065,000	21,869,000	[18]
Volaris	Mexico	29,473,000	33,497,000	31,051,000	24,405,000	14,100,000	21,975,000	[19]
Viva	Mexico	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	[21] [22]
Aeroméxico	Mexico	25,337,000	24,760,000	21,724,000	16,553,000	9,484,000	20,689,000	[23]
Allegiant Air	United States	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	15,184,720	[25]
Hawaiian Airlines	United States	TBA	10,879,000	10,015,000	6,543,000	3,363,000	11,751,003	[26]
Flair Airlines	Canada	TBA	4,500,000					[27]
Sun Country Airlines	United States	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 May 29,2025 ^[update] :

Airline	Fleet size	Ref
United Airlines	1,030	[ citation needed ]
American Airlines	993	[ citation needed ]
Delta Air Lines	983	[ citation needed ]
Southwest Airlines	809	[ citation needed ]
SkyWest Airlines	579	[ citation needed ]
JetBlue Airways	280	[ citation needed ]
Alaska Airlines	238	[ citation needed ]
Republic Airways	209	[ citation needed ]
Air Canada	208	[ citation needed ]
Envoy Air	169	[ citation needed ]
Spirit Airlines	164	[ citation needed ]
Frontier Airlines	161	[ citation needed ]
PSA Airlines	144	[ citation needed ]
WestJet	143	[ citation needed ]
Endeavor Air	138	[ citation needed ]
Volaris	106	[ citation needed ]
Allegiant Air	127	[ citation needed ]
Aeroméxico	122	[ citation needed ]
Air Canada Express	105	[29]
Jazz Aviation	99	[ citation needed ]
VivaAerobús	87	[ citation needed ]
Hawaiian Airlines	73	[ citation needed ]
Piedmont Airlines	69	[ citation needed ]
Porter Airlines	66	[ citation needed ]
CommuteAir	60	[ citation needed ]
Mesa Airlines	60	[ citation needed ]
Sun Country Airlines	59	[ citation needed ]
Breeze Airways	50	[ citation needed ]
GoJet Airlines	50	[ citation needed ]
Air Transat	44	[ citation needed ]
Air Canada Rouge	37	[ citation needed ]
Air Wisconsin	35	[ citation needed ]
Aeroméxico Connect	34	[ citation needed ]
Canadian North	32	[ citation needed ]
Avelo Airlines	21	[ citation needed ]
Flair Airlines	20	[ citation needed ]
Sunwing Airlines	12	[ citation needed ]
Arajet	10	[ citation needed ]
Cubana de Aviación	2	[ citation needed ]

By number of destinations

This is a list of airlines ranked by number of destinations, as of October 25,2025 ^[update] :

Airline	Destinations
	Domestic	International	Total	Ref
United Airlines	217	153	370	[30]
American Airlines	230	133	363	[31]
Delta Air Lines	212	103	315	[32]
Air Canada	50	151	201	[33]
Alaska Airlines	109	28	137	[34]
WestJet	43	88	131	[35]
Allegiant Air	122	0	122	[36]
Southwest Airlines	106	16	122	[37]
JetBlue	66	46	112	[38]
Frontier Airlines	86	18	104	[39]
Aeromexico	48	55	103	[40]
Breeze Airways	77	3	80	[41]
Sun Country Airlines	57	20	77	[42]
Spirit Airlines	49	28	77	[43]
Volaris	44	27	71	[44]
Air Transat	10	59	69	[45]
Viva	44	17	63	[46]
Avelo Airlines	41	4	45	[47]
Porter Airlines	24	21	45	[48]
Hawaiian Airlines	19	10	29	[49]
Flair Airlines	13	12	25	[50]
Mexicana de Aviación	15	0	15	[51]

By frequency

This is a list of airlines ranked by daily flights (frequency): ^[52]

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	[53]
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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