Yes, United Airlines allows free cancellations within 24 hours of booking if the flight was booked at least seven days in advance. This applies to all fare types. After this period, different cancellation fees may apply based on your ticket class. If you need to cancel a flight, check the refund eligibility through the “Manage Booking” section on United’s website or app. Unsure about your fare rules? Visit United’s official site for more information and to manage your cancellations seamlessly.