hat is the cancellation policy for Southwest Airlines?Southwest Allows its passenger to cancel a flight for free before 24 hours of flight departure. Southwest Airlines' cancellation policy allows passengers to cancel their flights within 24 hours of booking for a full refund, provided the flight is booked at least seven days before departure.Yes, Southwest also have cancellation policy, specially for 24 hour ticket cancellations. Southwest Allows its passenger to cancel a flight for free before 24 hours of flight departure. Southwest Airlines' cancellation policy allows passengers to