Under the new mandate, the second seat is non-refundable unless the flight isn’t fully booked at the time of departure, and if both of the passenger’s tickets are booked in the same fare class. However, the passenger needs to request their money back within 90 days of the flight.

Southwest Airlines is changing its long standing “Customer of Size” policy, requiring plus-size travelers to purchase an additional seat when booking instead of waiting until check-in. The new rule takes effect January 27,

Airlines have varying rules related to plus-size passengers, and Newsweek has compared several, including Southwest and Delta.