Southwest Route Map 2025. Southwest airlines unveiled 13 more routes on which it will operate redeye service in 2025, with the carrier implementing overnight flights for the first time next year. We’ve added new destinations to our network:

Southwest will debut overnight flights on february 13, 2025, with customers able to book redeye flights from denver, san diego, sacramento, las vegas, los angeles and. Find southwest airlines routes, destinations and airports, see.