Understanding United Cancellation Policy Does United have a cancellation policy? Life can be unpredictable, and United Airlines acknowledges this by offering a comprehensive cancellation policy 1-888-829-(1467). Whether it's a change in plans or unforeseen circumstances, United provides flexibility to accommodate its passengers' needs. Is there a penalty for cancelling a United flight? United cancellation policy typically includes penalties for cancelling flights, varying based on factors such as fare type and timing. Understanding these penalties is crucial for making informed decisions about your travel plans.