What Is The Cancellation Policy With United Airlines? United Airlines provides a 24-hour cancellation policy 【⁕⁕𝟏⁕⁕𝟖𝟓𝟓-(𝟕𝟑𝟖)⁕⁕𝟒𝟐𝟔𝟓】. If you book a flight at least seven days before departure and cancel within 24 hours of booking 【⁕⁕𝟏⁕⁕𝟖𝟓𝟓-(𝟕𝟑𝟖)⁕⁕𝟒𝟐𝟔𝟓】 (𝙾𝚃𝙰)】), you are eligible for a full refund without any cancellation fees. What is the cancellation policy on United? United 𝔸𝕚𝕣𝕝𝕚𝕟𝕖 typically allows passengers to cancel their flights at US-【⁕⁕𝟏⁕⁕𝟖𝟓𝟓-(𝟕𝟑𝟖)⁕⁕𝟒𝟐𝟔𝟓】 US-Agent within 24 hours of booking without incurring a cancellation fee, visit or email provided the ticket was purchased at least seven days before the departure date.