Where Southwest Airlines flies

Busiest Southwest Airlines airports

Where Southwest Airlines operates the most departures — its hubs and focus cities.

• DEN

  Denver

  89,759 departures · 14,743,977 seats flown

  6.3%

  Share

• LAS

  Las Vegas

  86,035 departures · 13,977,261 seats flown

  6.1%

  Share

• BWI

  Baltimore

  73,891 departures · 11,963,967 seats flown

  5.2%

  Share

• MDW

  Chicago

  69,170 departures · 11,325,692 seats flown

  4.9%

  Share

• PHX

  Phoenix

  68,899 departures · 11,153,639 seats flown

  4.9%

  Share

• DAL

  Dallas

  68,069 departures · 10,972,943 seats flown

  4.8%

  Share

• BNA

  Nashville

  60,654 departures · 9,833,680 seats flown

  4.3%

  Share

• HOU

  Houston

  54,030 departures · 8,700,136 seats flown

  3.8%

  Share

Busiest Southwest Airlines routes

The city pairs Southwest Airlines flies most, ranked by filed departures.

• DAL–HOU

  8,071 departures · 814,873 passengers

  64.8%

  Load

• DEN–PHX

  7,793 departures · 966,562 passengers

  75.7%

  Load

• SAN–SMF

  7,587 departures · 936,413 passengers

  79.4%

  Load

• SAN–SJC

  7,419 departures · 864,134 passengers

  75.3%

  Load

• LAS–SAN

  7,397 departures · 894,430 passengers

  76.6%

  Load

• BWI–MCO

  7,029 departures · 856,385 passengers

  74.5%

  Load

• LAS–PHX

  6,911 departures · 761,822 passengers

  68.2%

  Load

• LAS–SMF

  6,862 departures · 873,065 passengers

  78.6%

  Load

• LAS–SJC

  6,504 departures · 775,239 passengers

  73.6%

  Load

• LAS–OAK

  6,327 departures · 835,231 passengers

  81.5%

  Load

• PHX–SAN

  6,317 departures · 729,509 passengers

  73.9%

  Load

• BUR–LAS

  6,246 departures · 588,256 passengers

  66.9%

  Load

• LAS–RNO

  6,240 departures · 720,615 passengers

  73.5%

  Load

• DEN–LAS

  6,219 departures · 786,824 passengers

  76.5%

  Load

• DAL–DEN

  5,961 departures · 729,719 passengers

  73.3%

  Load

What Southwest Airlines flies

Aircraft types by share of departures — what actually operated, not fleet count.

• Boeing 737-700

  576,812 departures · 77.9% load

  40.7%

  Share

• Boeing 737 MAX 8

  501,318 departures · 77.6% load

  35.4%

  Share

• Boeing 737-800

  337,598 departures · 76.7% load

  23.8%

  Share

Monthly Southwest Airlines capacity