Are you flexible when you travel? If so, you must be thinking about your flexible travel schedule. If so, don't be concerned and book a flight with United Airlines. Because it understands all of its customers' worries, the airline provides a straightforward United Airlines cancellation policy that makes it possible for everyone to cancel their reservation with no additional hassle or expense. The policy is not overly complicated to comprehend. Corporate offices for the airline are still housed in Chicago, Illinois' Willis Tower. It boasts a sizable local and international route network because it is the primary airline in the nation. With a fleet size of 843 aircraft, United Airlines offers service to 42 cities.