Airline Seats 2022 Seats 2019

Southwest 2,087,000 1,887,000 66 Routes '22 53 Routes '19
Spirit 927,000 601,000 40 29
Frontier 695,000 408,000 54 35
Delta 444,000 512,000 10 13
American 441,000 424,000 10 9
United 388,000 429,000 7 7
Allegiant 254,000 226,000 60 52
Alaska 186,000 202,000 7 5
JetBlue 113,000 114,000 4 4
Air Canada 78,000 101,000 4 5