It is true that United Airlines has a 24-hour cancellation policy. Regardless of the fare type chosen, this policy permits travelers to cancel their bookings within 24 hours of making the reservation without being charged a cancellation fee. Direct reservations made with United Airlines, including those made online at united.com or via the United mobile app, are covered by this policy. Regardless of the fare type chosen, United Airlines offers a 24-hour flexible booking policy that permits customers to cancel their bookings without incurring penalties within 24 hours of making their appointm