Southwest Airlines is introducing unlimited Companion Pass trips as part of a major loyalty overhaul

Your next Southwest ticket might come with an unexpected perk: a free ticket for a friend to join you. During a press event Thursday in Texas, the airline announced a revamp of its loyalty program, including a new Platinum loyalty tier that will give customers unlimited Companion Passes to have a friend or family member join them for their travels. Those free flights also won’t be restricted to just Platinum flyers. The brand is also introducing new Milestone Rewards that will let customer...