United Airlines Cancellation Policy, Fee, Refund and all you need to know

Under United Airlines Cancellation Policy, flyers can cancel their bookings free of charge and receive a full refund within 24 hours, regardless of their fare type. After 24 hours, United Airlines charges a cancellation fee of a certain amount.
Highlights of United Airlines Flight Cancellation Policy
United Cancellation Policy allows travelers to cancel international flights three hours before departure. Additionally, domestic flights can be canceled by passengers two hours before departure.