Months after ditching its open seating policy, Southwest Airlines is ending its most recognizable perks: Free checked baggage.

Southwest Airlines will begin charging for checked bags at the end of May. Amid sinking profits, the budget airline announced in a press release Tuesday that it's ending its long-standing policy of allowing passengers to check two bags for free,

One of the more beloved perks for flying Southwest Airlines is set to sunset. The airline announced Tuesday that it’s dropping its standard two free checked bags for all travelers. Instead, only members of its A-List program or business select flyers will retain the two luggage bonus while A-List members are allowed one free checked bag.