Southwest adds dozens of routes and more daily flights for summer 2027

Based on · First reported 2 Oct 2026 · Updated 3 Oct 2026

Southwest Airlines released its summer 2027 schedule, adding 23 new or returning routes and boosting frequencies at several airports, including Austin, Nashville and San Diego.
Austin Bergstrom International Airport will see seven new or returning routes and either 141 departures on peak days, as Southwest reports, or 143 departures, according to a separate announcement; Nashville will receive two new island destinations plus additional domestic flights, and Delta Air Lines plans 70 peak‑day departures to 30 destinations at Austin by summer 2027.

Why it matters

The added capacity expands flight options for travelers and increases slot utilization at the affected airports.