Does United still offer free cancellation? United has a normal 24-hour cancellation policy. You can cancel most bookings within ???????? hours and receive a full refund if your travel date is at least a week away. To receive a full refund, call their customer service number: +????(????????????)????????????-????????????????. They are available 24 hours every day. https://idashelteringla.com/en-US/forums/support-forum/6e00c34d-23a4-ef11-95f6-000d3a76263f