Southwest Airlines

Airline facts

IATA code

WN

ICAO code

SWA

Callsign

SOUTHWEST

Country

United States

Alliance

None

Website

southwest.com

Southwest Airlines seat maps

• Boeing 737 MAX 8175 seats
• Boeing 737-700141 seats
• Boeing 737-800175 seats

Southwest Airlines routes in the US

Southwest Airlines flew from 121 airports to, from or within the United States between August 2025 and July 2026. Busiest routes:

• LAS to RNOLas Vegas to Reno · 79 a week
• DEN to PHXDenver to Phoenix · 78 a week
• SAN to SMFSan Diego to Sacramento · 76 a week
• LAS to SANLas Vegas to San Diego · 76 a week
• SAN to SJCSan Diego to San Jose · 76 a week
• DAL to HOUDallas to Houston · 74 a week
• LAS to SMFLas Vegas to Sacramento · 68 a week
• PHX to SANPhoenix to San Diego · 67 a week
• DEN to LASDenver to Las Vegas · 66 a week
• LAS to SJCLas Vegas to San Jose · 66 a week
• LAS to PHXLas Vegas to Phoenix · 65 a week
• LAS to OAKLas Vegas to Oakland · 65 a week
• BWI to MCOBaltimore to Orlando · 65 a week
• BUR to LASBurbank to Las Vegas · 64 a week
• BNA to MCONashville to Orlando · 61 a week
• DAL to DENDallas to Denver · 60 a week
• DAL to LASDallas to Las Vegas · 56 a week
• DAL to MCODallas to Orlando · 55 a week
• MCO to SJUOrlando to San Juan · 55 a week
• HNL to OGGHonolulu, Oahu to Kahului · 54 a week
• BNA to DALNashville to Dallas · 54 a week
• AUS to DENAustin to Denver · 54 a week
• OAK to SANOakland to San Diego · 54 a week
• MCO to MDWOrlando to Chicago · 54 a week
• DEN to MCIDenver to Kansas City · 53 a week
• DEN to STLDenver to St Louis · 53 a week
• SJC to SNASan Jose to Santa Ana · 51 a week
• DAL to SATDallas to San Antonio · 51 a week
• BUR to OAKBurbank to Oakland · 50 a week
• LAS to SNALas Vegas to Santa Ana · 50 a week

Southwest Airlines hubs

• DALDallasDallas Love Field

Related airlines

• AAAmerican AirlinesUnited States
• DLDelta Air LinesUnited States
• OOSkyWest AirlinesUnited States
• UAUnited AirlinesUnited States
• B6JetBlueUnited States
• 9EEndeavor AirUnited States
• YXRepublic AirlineUnited States
• MQEnvoy AirUnited States
• OHPSA AirlinesUnited States
• ASAlaska AirlinesUnited States
• YVMesa AirlinesUnited States
• QXHorizon AirUnited States