Natalia's profile photo Natalia unread, 1:53 PM (2 hours ago) to Flight cancellation is pretty simple with Southwest Airlines. If you cannot travel this time, get through Southwest Airlines' cancellation policy. The following article may assist you with that. According to Southwest's cancellation policy, the airline will give you the option to get a refund only when you cancel the flight more than 10 minutes before departure. If you cancel the flight within the time limit, you can get 100% of the ticket value.Natalia's profile photo Natalia unread, 1:53 PM (2 hours ago) to Flight cancellation is pretty simple with Southwest Airlines. If you cannot travel this time, get through Southwest Airlines' cancellation policy. The following article may assist you with that. According to Southwest's cancellation policy, the airline will give you the option to get a refund only when you cancel the flight more than 10 minutes before departure. If you cancel the flight within the time limit, you can get 100% of the ticket value.