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Is there a penalty to cancel a United flight Yes United Airlines imposes a cancellation fee for some tickets although the exact amount can vary depending on the fare type and the timing of the cancellation For standard and basic economy fares the fees can be substantial especially if the cancellation occurs close to the departure date However for flexible or premium tickets the penalties might be reduced or waived It’s always best to review the specific terms of your ticket or contact United directly for the most accurate information For assistance you can call United Airlines