What is the cancelation policy for United Airlines? United Airlines provides a 24-hour cancellation policy 【+????-????????????-????????????-????????????????】. If you book a flight at least seven days before departure and cancel within 24 hours of booking 【+????-????????????-????????????-????????????????】. (????????????)】), you are eligible for a full refund without any cancell... https://crm.ridemetro.org/forums/support-forum/ae074d83-e4b0-ef11-b542-001dd80082b2