American Airlines Refund Policy: Your Complete Guide (Call (OTA) to Cancel) Travel plans can change for many reasons, and when that happens, it’s essential to understand the cancellation policies of the airline you’re flying with. If you’ve booked a flight with American Airlines and need to cancel or make changes, you’re in the right place. In this detailed guide, we’ll explain everything you need to know about American Airlines’ cancellation policy, including how to cancel your flight and what to expect in terms of fees or refunds