Where Southwest Airlines flies

Busiest Southwest Airlines airports

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

• DEN

  Denver

  90,076 departures · 14,802,036 seats flown

  6.4%

  Share

• LAS

  Las Vegas

  86,154 departures · 14,013,204 seats flown

  6.1%

  Share

• BWI

  Baltimore

  73,716 departures · 11,945,368 seats flown

  5.2%

  Share

• PHX

  Phoenix

  68,925 departures · 11,166,693 seats flown

  4.9%

  Share

• MDW

  Chicago

  68,772 departures · 11,264,798 seats flown

  4.9%

  Share

• DAL

  Dallas

  68,105 departures · 10,976,077 seats flown

  4.8%

  Share

• BNA

  Nashville

  59,916 departures · 9,718,778 seats flown

  4.2%

  Share

• HOU

  Houston

  54,196 departures · 8,731,868 seats flown

  3.8%

  Share

Busiest Southwest Airlines routes

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

• DAL–HOU

  8,080 departures · 822,608 passengers

  65.0%

  Load

• DEN–PHX

  7,759 departures · 964,334 passengers

  75.9%

  Load

• SAN–SMF

  7,574 departures · 933,810 passengers

  79.6%

  Load

• SAN–SJC

  7,436 departures · 865,779 passengers

  75.6%

  Load

• LAS–SAN

  7,387 departures · 892,439 passengers

  76.8%

  Load

• BWI–MCO

  7,013 departures · 854,499 passengers

  74.4%

  Load

• LAS–PHX

  6,899 departures · 760,618 passengers

  67.9%

  Load

• LAS–SMF

  6,856 departures · 876,049 passengers

  78.8%

  Load

• LAS–SJC

  6,509 departures · 777,540 passengers

  73.5%

  Load

• LAS–OAK

  6,387 departures · 841,942 passengers

  81.0%

  Load

• PHX–SAN

  6,322 departures · 723,906 passengers

  73.5%

  Load

• BUR–LAS

  6,246 departures · 584,405 passengers

  66.3%

  Load

• DEN–LAS

  6,235 departures · 786,224 passengers

  76.2%

  Load

• LAS–RNO

  6,227 departures · 715,616 passengers

  72.8%

  Load

• OAK–SAN

  5,988 departures · 689,071 passengers

  74.5%

  Load

What Southwest Airlines flies

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

• Boeing 737-700

  582,755 departures · 75.6% load

  41.2%

  Share

• Boeing 737 MAX 8

  491,415 departures · 73.7% load

  34.7%

  Share

• Boeing 737-800

  340,681 departures · 74.1% load

  24.1%

  Share

Monthly Southwest Airlines capacity