Overnight flights on Southwest will begin in February 2025.

Ashlee D. Smith/Courtesy of Southwest Airlines

Its been whispered about for months, but now its official.

After more than 50 years, Southwest Airlines is doing away with one of its signature policies open seating.

Southwest Airlines Boeing 737-800 Winglet

Credit:Ashlee D. Smith/Courtesy of Southwest Airlines

Roughly a third of seats on planes will have the premium, extra-legroom setup, the airline said.

Southwest mentioned it will be adding more of these routes in the coming year.

So, we will be doing red-eyes."