https://discussions.trendmicro.com/en-us/forums/support-forum/338e9b0b-af8f-ef11-95f5-002248f10c51 ****NOW What is the cancelation policy for United Airlines? Yes, United Airlines allows cancellations with a full refund +1-833-816-0098.if done within 24 hours of booking, provided the departure is at least two days away.