Southwest’s March 2026 schedule trims 30 routes, with 11 permanent exits and the rest seasonal suspensions. The airline is pivoting to banked schedules and more connection-friendly timing, moving airplanes into big departure banks at key bases to raise loads and profitability. That means thinning out smaller point-to-point links so more flights can flow through hubs like Chicago Midway, Nashville, Denver, Phoenix, and San Diego, while also launching a new city at Knoxville with multiple daily co