Southwest Airlines Seating Change 2025 Policy. Southwest airlines is ending open seating policy and will assign seats starting in 2025 the airline said customers who stop flying with southwest cite its longtime open seating. Southwest airlines has been known for its unique open boarding model for more than 50 years.

Southwest is undoing its trademark open seating policy, introducing more seats with extra legroom. In 2025, southwest airlines is rolling out a significant update to its seating policy, a move that’s set to shake up the airline industry.