Southwest Airlines does not offer "free upgrades" in the traditional sense because they do not have a First Class or Business Class cabin. Every seat on a Southwest plane is the same physical size. However, in 2026, they offer seating and boarding benefits that function as upgrades. For flights departing after January 27, 2026, A-List and A-List Preferred members gain the ability to select "Preferred" or "Standard" seats at the time of booking for free. Furthermore, A-List members can upgrade to Extra Legroom seats (located in the front of the plane and emergency exits) starting 48 hours before departure at no extra cost, if available. For the general public, the only way to get a "better" seat without paying is to check in exactly 24 hours early to secure a high boarding position (Group A). While Southwest occasionally surprises passengers with "Business Select" boarding (A1-A15) if the slots aren't sold, these are rare operational gestures rather than a standard policy. The airline remains committed to its "Open Seating" heritage while introducing more assigned seating options for its elite flyers.