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Southwest just announced a new route to Mexico and more Red Eye flights across the country

Southwest just announced a new route to Mexico and more Red Eye flights across the country

Southwest Airlines has announced major network plans for next summer, adding more than a dozen red-eye flights to its schedule and expanding popular domestic routes.

The airline has extended its booking schedule until next August. Southwest announced on Wednesday. Beginning June 5, 2025, the airline will fly daily between these domestic cities, with a major expansion from Seattle:

  • Austin (AUS) to/from Boston (BOS)
  • Baltimore (BWI) to/from Portland, Oregon (PDX) and Seattle (SEA)
  • Dallas (DAL) to/from Seattle (SEA)
  • Denver to/from Myrtle Beach (MYR) and Savannah (SAV)
  • Nashville to/from Seattle (SEA)

Additionally, southwest will launch seasonal service from Colorado Springs (COS) to Cancun (CUN) next summer, marking the airport’s first-ever international air service. This new route will begin on June 7, 2025 and will operate once weekly on Saturdays.

2025 will be a big year for Southwest, according to the popular domestic airline brand new seating on its incoming Boeing 737-800 and 737 MAX-8 aircraft.

Additionally, the airline remains on track to launch its first-ever flight after announcing a “multi-year transition to 24-hour operations” earlier this year Red-eye flights in February 2025. Southwest has unveiled over a dozen new overnight services scheduled to launch in early June:

  • Honolulu (HNL) to Los Angeles (LAX)
  • Lihue (LIH) to Las Vegas (LAS)
  • Long Beach (LGB) to Baltimore (BWI)
  • Ontario (ONT) to Baltimore (BWI)
  • Portland, Ore. (PDX) to Baltimore (BWI)
  • Sacramento (SMF) to Orlando (MCO)
  • San Francisco (SFO) to Baltimore (BWI) and Nashville (BNA)
  • San Jose (SJC) to Baltimore (BWI)
  • Seattle (SEA) to Baltimore (BWI), Chicago (MDW), Houston (HOU) and Nashville (BNA)

In addition to the already announced flights from Hawaii to the US mainland, Southwest suggests that additional Red Eye services will be gradually added. While the decision to add red-eye was controversial among loyal Southwest fliers, the new flight times could be a time saver for those flying from western to eastern time zones.