To cancel a United Airlines flight online, log in to your MileagePlus account, go to “My Trips,” select the booking you want to cancel, and click on “Cancel Flight.” United Airlines often waives cancellation fees for many fare types if canceled within 24 hours of booking. For detailed steps, refund eligibility, and cancellation policy, visit this helpful guide: How to Cancel United Airlines Flight. It explains everything you need to know before canceling, including refund rules and rebooking options.
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