United Airlines offers a hassle-free cancellation process. Customers can cancel their flights within 24 hours of booking for a full refund. After 24 hours, cancellation fees may apply depending on the fare type. contact customer service 1-844-987-7017 to learn more about their flexible cancellation policy. For Contact :- 1-844-987-7017 Website :- https://www.unitedstatesreservatio... https://www.unitedstatesreservations.com/united-airlines-reservations-cancellation-changes.php