How to Cancel a Southwest Airlines Flight | 24 Hour Canceling a Southwest flight is easy at southwest.com/cancel or via the mobile app. Use the 24-hour cancellation policy to cancel any ticket within the first 24 hours for a full refund, without fees. Southwest Airlines is known for this generous policy. For more information about Southwest 24 hour cancellation policy, visit the airlines pet policy website or contact customer support. 🌎https://www.airlinespetpolicy.com/blog/southwest-cancellation-policy-24-hour #southwestcancellationpolicy #southwestcancellationpolicy24hours #southwestcancellationfee #southwestcancellationrefund