GRAND RAPIDS, Mich. (Michigan News Source) – Southwest Airlines plans to drop its tradition of more than 50 years and will start assigning seats and selling premium seating for customers who want more legroom.

The airline said earlier this week that it has been studying seating options and is making the changes because passenger preferences have shifted.

MORE NEWS: Guaranteed Income Programs Pop Up Nationwide With Help From Federal Pandemic Relief Money

In Michigan, Southwest Airlines serves Gerald R. Ford International Airport and Detroit Metropolitan Wayne County Airport.