Suppose you cancel your flight offline or online. In that case, you need to follow the Southwest Airlines Change Flight so that you can get your Southwest Airlines allows you to change your flight plans without incurring any change fee. You can change your flight anytime before departure and can opt for early check-in or upgraded boarding. Southwest offers a fare price guarantee and same-day standby option. You can manage your booking online or contact customer support for assistance. Southwest Airlines change flight policy is designed to make travel more convenient and less stressful.