Southwest Discontinues Chicago O'Hare / Washington Dulles Service From June 2026

Published at 1000PDT / 1700GMT 17MAR26Southwest Airlines recently closed reservations for service at Chicago O'Hare and Washington Dulles, impacting total of 15 routes. Reservations are no longer available for travel on/after 04JUN26. The following is the carrier’s operation at Chicago O’Hare and Washington Dulles based on the week of 19JUL26, which saw the airline schedules 104 weekly departures from O’Hare and 21 weekly from Dulles.Chicago O'Hare – Austin 1 dailyChicago O'Hare – Cancun 1 daily