If you've ever had the misfortune of having to cancel your flight tickets, you understand how inconvenient it can be. Nonetheless, United Airlines' cancellation policy makes cancelling flights simple and straightforward. United Airlines' cancellation policy, rebooking, refunds, and change policy are all covered on this page. Customers may have a more comfortable and delightful flying experience with United Airlines premium options. It's possible that people will want to cancel their scheduled flights. They merely need to go to the United Airlines website and click on the Manage Bookings tab to cancel their flights. Cancellations made within 24 hours of the reservation are free. Some, but not all, of the reservations will be subject to a cancellation fee.