Does American have a cancellation policy? Yes, American offers a 24-hour risk-free cancellation policy 1-800 AA 1-844-949-8748 {{OTA}}. You can cancel any flight within 24 hours of booking for a full refund 1-800 AA 1-844-949-8748, as long as the flight was booked at least 7 days before departure at1-800 AA 1-844-949-8748. https://idashelteringla.com/en-US/forums/support-forum/f26a2baa-81a3-ef11-95f6-000d3a76263f