Ranked by Passenger & Cargo Volumes
The following is a list of the Top 100 U.S. Airlines in 2021
ranked by both total no. of passengers carried and total tons of cargo transported.
In 2021, airlines in the U.S. (excludes foreign carriers) carried a total of 674.1 million passengers
- up 80.3% from 373.9M in 2020 -
of which 613.3 million or 91.0% were domestic and the remaining 60.8 million or 9.0% were international.
By cargo volumes (freight + mail), airlines in the U.S. transported 21.6 million tons
- up 9.2% from 19.8M in 2020 -
of which 15.6 million tons or 72.2% were domestic cargo and the remaining 6.0 million tons or 27.8% were international.
In 2021, the #1 airline by passengers was Southwest Airlines with 127.1 million equal to an 18.8% market share.
Runner-up was American Airlines with 116.5 million passengers (17.3%) followed by Delta Air Lines
in third place with 103.3 million (15.3%). United Airlines and SkyWest Airlines take 4th and 5th place
with 72.7 million (10.8%) and 35.6 million passengers (5.3%), respectively.
Since the 2013 American Airlines - US Airways merger, the U.S. has only had four major passenger air carriers.
In 2021, the #1 airline by tons of cargo transported was FedEx with 7.4 million tons equal to a 34.1% market share.
Runner-up was UPS with 5.3 million tons (24.7%) followed by Atlas Air in third place with 2.0 million tons (9.2%).
In the following spots, we have Kalitta Air (1.2 million tons / 5.5%) and Air Transport International (786,555 tons / 3.7%).
Top 10 U.S. Airlines
Passengers (million) |
Market Share |
Southwest Airlines
American Airlines
Delta Air Lines
United Air Lines
SkyWest Airlines
Spirit Air Lines
JetBlue Airways
Alaska Airlines
Frontier Airlines
Republic Airline
127.07 116.48 103.30 72.74 35.57 30.83 30.24 23.56 20.71 17.71
18.8% 17.3% 15.3% 10.8% 5.3% 4.6% 4.5% 3.5% 3.1% 2.6%
# |
Airline Name |
Passengers (PAX) |
Domestic PAX |
Int'l PAX |
Load Factor |
# Flights |
Seats per Aircraft |
GRAND TOTAL
Southwest Airlines
American Airlines
Delta Air Lines
United Air Lines
SkyWest Airlines
Spirit Air Lines
JetBlue Airways
Alaska Airlines
Frontier Airlines
Republic Airline
Allegiant Air
Envoy Air
Endeavor Air
PSA Airlines
Mesa Airlines
Hawaiian Airlines
Horizon Air
Piedmont Airlines
Air Wisconsin Airlines
MN Airlines
CommuteAir
GoJet Airlines (United Express)
Swift Air / Eastern Air Lines
Silver Airways
Cape Air
Delux Public Charter
Avelo Airlines
Mokulele Airlines
Breeze Aviation
Ravn Alaska
Contour Airlines
Grant Aviation
Eastern Airlines (Dynamic Airways)
Bering Air
Boutique Air
World Atlantic Airlines
Kenmore Air Harbor
Wright Air Service
Key Lime Air
Vieques Air Link
Star Marianas Air
Alaska Seaplanes
Omni Air International
Grand Canyon Airlines
Tradewind Aviation
Global Crossing Airlines
Jet Edge
PM Air
Advanced Air
Airlift Alaska / Yute Commuter Serv.
New England Airlines
Seaborne Virgin Islands
Air Flamenco
Ultimate Air Shuttle
Island Air Express
Elite Airways
Island Air Service
Alaska Central Express
Air Choice One
Watermakers Air
Tropic Ocean Airways
Smokey Bay Air
Warbelow
KaiserAir
City Wings / Seaflight
Silver Air
Everts Air Alaska / Everts Air Cargo
Katmai Air
ExpressJet Airlines (aha!)
Air Excursions
Iliamna Air Taxi
Atlas Air
Ryan Air (Arctic Transportation)
Tanana Air Service
National Air Cargo (National Airlines)
Friday Harbor Seaplanes
Jet Aviation Flight Services
Alaska Air Transit
Maritime Helicopters
Spernak Airways
Taquan Air Service
Reeve Air Alaska
Ameristar Air Cargo
Empire Airlines
40-Mile Air
Gem Air
Ellis Air Taxi
Baranautica Air Service
Junipogo
Public Charters
Air Transport International
Polaris Aviation Solutions
-
-
-
-
-
-
-
-
674,116,981
127,068,491
116,475,933
103,302,327
72,742,710
35,572,894
30,827,301
30,240,326
23,562,996
20,707,530
17,709,457
13,742,979
13,407,650
12,893,547
12,456,543
9,975,684
6,528,493
5,992,481
3,808,958
3,428,805
3,064,668
2,920,905
2,400,491
880,591
466,631
427,736
383,820
344,393
324,634
320,138
211,112
171,050
158,971
123,918
114,756
105,386
83,840
79,052
76,869
71,887
67,453
66,045
62,875
51,898
45,306
43,342
40,072
37,421
35,993
34,569
33,741
33,196
30,528
25,760
24,971
24,555
24,043
21,553
18,292
17,963
17,085
15,454
15,282
15,021
11,715
10,401
10,086
9,771
9,644
9,478
8,858
8,796
7,153
6,601
6,390
5,773
5,525
5,056
4,459
3,936
3,908
3,311
2,658
1,533
1,502
849
536
356
191
61
60
2
1
-
-
-
-
-
-
-
-
613,336,524
124,503,977
99,505,898
92,792,000
59,054,804
35,136,528
27,665,759
22,944,856
21,998,002
19,679,310
17,503,114
13,716,452
12,379,653
12,586,254
12,352,181
9,374,552
6,475,518
5,939,939
3,783,927
3,380,271
2,789,030
2,890,627
2,334,266
579,476
375,843
411,820
383,663
344,393
324,634
320,138
211,112
170,036
158,971
4,465
114,756
105,386
3,213
78,885
76,869
71,887
67,453
66,045
62,875
16,194
45,306
21,903
15,186
30,591
35,993
34,261
33,741
33,196
30,528
25,732
24,971
24,507
24,043
21,553
18,292
17,963
0
1,131
15,282
15,021
10,452
10,401
8,435
9,771
9,644
9,478
8,858
8,796
6,296
6,601
6,390
3,692
5,525
4,591
4,459
3,936
3,908
3,311
2,658
1,533
1,502
849
536
356
191
61
60
2
-
-
-
-
-
-
-
-
-
60,780,457
2,564,514
16,970,035
10,510,327
13,687,906
436,366
3,161,542
7,295,470
1,564,994
1,028,220
206,343
26,527
1,027,997
307,293
104,362
601,132
52,975
52,542
25,031
48,534
275,638
30,278
66,225
301,115
90,788
15,916
157
0
0
0
0
1,014
0
119,453
0
0
80,627
167
0
0
0
0
0
35,704
0
21,439
24,886
6,830
0
308
0
0
0
28
0
48
0
0
0
0
17,085
14,323
0
0
1,263
0
1,651
0
0
0
0
0
857
0
0
2,081
0
465
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
-
-
-
-
-
-
-
-
74.6%
76.8%
78.2%
72.2%
75.8%
71.8%
78.0%
75.5%
71.1%
74.8%
71.7%
69.7%
76.2%
70.0%
78.5%
78.9%
64.9%
71.2%
77.0%
78.4%
65.3%
77.0%
80.1%
32.6%
61.2%
49.6%
64.0%
61.2%
58.3%
54.2%
53.9%
46.3%
31.5%
42.6%
33.9%
58.2%
50.4%
60.8%
45.5%
38.5%
58.2%
47.9%
39.8%
28.2%
76.3%
59.0%
34.6%
23.5%
75.0%
48.0%
22.7%
51.8%
76.3%
58.8%
48.8%
65.4%
34.6%
29.4%
49.5%
39.6%
71.0%
30.3%
37.7%
36.5%
48.3%
68.3%
47.9%
25.9%
56.5%
46.9%
50.6%
32.1%
6.0%
8.2%
20.1%
29.4%
61.7%
17.6%
31.6%
13.5%
28.5%
11.0%
49.6%
31.5%
27.9%
22.7%
47.3%
19.8%
47.2%
19.1%
100.0%
0.1%
1.4%
-
-
-
-
-
-
-
-
8,212,098
1,066,595
868,348
837,066
563,332
757,422
211,779
265,619
207,062
143,467
332,278
113,186
269,871
273,236
222,697
168,294
61,503
110,754
98,988
87,517
36,743
75,877
59,901
21,124
16,523
97,976
19,997
3,134
62,418
5,278
11,876
14,458
60,690
861
38,397
22,652
1,074
15,057
22,368
6,150
11,925
24,177
18,305
929
5,411
9,179
659
12,239
4,723
7,165
26,774
8,058
5,180
6,921
1,704
4,173
1,005
12,846
18,186
5,668
2,766
6,262
8,113
5,024
302
1,692
2,189
9,319
1,947
404
1,984
3,487
34,074
25,730
4,496
1,865
1,476
2,336
1,569
3,314
2,872
4,238
620
940
19,522
934
158
380
135
87
12
26,010
5
-
-
-
-
-
-
-
-
110
155
172
171
170
65
187
151
160
193
74
174
65
67
71
75
164
76
50
50
128
50
50
128
46
9
30
179
9
112
33
26
8
338
9
8
155
9
8
30
10
6
9
198
11
8
176
13
10
10
6
8
8
6
30
9
69
6
2
8
9
8
5
8
80
9
10
4
9
50
9
8
3
3
7
11
6
12
9
9
5
7
9
5
0
4
7
5
3
4
5
0
15
-
-
-
-
-
-
-
-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
# |
Airline Name |
Freight (t) |
Domestic Freight (t) |
Int'l |
GRAND TOTAL
Federal Express (FedEx)
United Parcel Service (UPS)
Atlas Air
Kalitta Air
Air Transport International
United Air Lines
Polar Air Cargo Airways
American Airlines
Delta Air Lines
ABX Air
Southern Air
Amerijet International
Western Global
Southwest Airlines
Northern Air Cargo
MN Airlines
Sky Lease Cargo
National Air Cargo (National Airlines)
Alaska Airlines
Hawaiian Airlines
Kalitta Charters II
Aloha Air Cargo
Everts Air Alaska / Everts Air Cargo
Lynden Air Cargo Airlines
Gulf and Caribbean Cargo
Empire Airlines
Asia Pacific
Rhoades Aviation / Transair
Alaska Central Express
Mesa Airlines
Ryan Air (Arctic Transportation)
Bering Air
Grant Aviation
JetBlue Airways
Wright Air Service
USA Jet Airlines
Swift Air / Eastern Air Lines
Horizon Air
Eastern Airlines (Dynamic Airways)
Alaska Seaplanes
Airlift Alaska / Yute Commuter Service
Air Flamenco
Star Marianas Air
Ameristar Air Cargo
Taquan Air Service
Island Air Service
Tanana Air Service
Smokey Bay Air
Silver Airways
Island Air Express
Ravn Alaska
Cape Air
Piedmont Airlines
Iliamna Air Taxi
PSA Airlines
Envoy Air
Warbelow
Spernak Airways
Maritime Helicopters
Alaska Air Transit
Bemidji Airlines
Air Excursions
Katmai Air
40-Mile Air
Reeve Air Alaska
Ellis Air Taxi
Junipogo
Kenmore Air Harbor
New England Airlines
Tropic Ocean Airways
Vieques Air Link
Endeavor Air
Baranautica Air Service
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
21,576,164
7,354,506
5,335,602
1,995,565
1,193,679
792,070
786,555
644,788
583,721
465,263
420,424
347,225
284,645
224,115
160,183
130,808
121,178
97,050
88,523
85,625
61,091
60,579
58,459
34,984
34,051
29,912
24,171
23,696
19,683
18,170
16,829
13,315
10,608
9,343
8,834
6,867
6,057
5,189
2,839
2,711
2,254
2,128
1,481
1,414
1,317
948
833
621
607
519
513
502
438
424
406
391
388
356
341
315
293
223
216
110
62
35
34
24
22
21
12
3
2
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
15,577,870
6,153,026
4,318,397
982,457
626,415
791,451
238,789
340,767
185,148
206,074
344,170
147,723
187,503
151,614
159,751
65,513
121,177
32,444
36,901
85,146
51,755
49,909
58,459
33,920
33,576
8,828
24,171
15,618
19,683
18,170
16,827
13,315
10,608
9,343
6,751
6,867
4,144
1,884
2,825
14
2,254
2,128
1,167
1,414
1,140
948
833
621
607
519
513
502
438
423
406
390
375
356
341
315
293
223
216
110
62
35
34
24
22
21
0
3
2
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5,998,294
1,201,480
1,017,204
1,013,108
567,264
619
547,766
304,021
398,573
259,189
76,254
199,502
97,142
72,500
432
65,295
0
64,606
51,622
479
9,336
10,670
0
1,064
475
21,084
0
8,078
0
0
1
0
0
0
2,083
0
1,912
3,305
14
2,697
0
0
314
0
177
0
0
0
0
0
0
0
0
0
0
0
13
0
0
0
0
0
0
0
0
0
0
0
0
0
12
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
|
|
|
|
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