To get a 100% refund on a flight cancellation 【𝟏-8️⃣𝟞𝟞-7️⃣𝟛𝟠-0️⃣𝟞𝟚𝟚(USA)  𝐎𝐑 +44-8𝟬𝟬-0𝟱𝟭-6𝟳𝟯𝟱(UK) 】 , you need to cancel your flight within the airline's 24-hour cancellation window, 【𝟏-8️⃣𝟞𝟞-7️⃣𝟛𝟠-0️⃣𝟞𝟚𝟚(USA)  𝐎𝐑 +44-8𝟬𝟬-0𝟱𝟭-6𝟳𝟯𝟱(UK) 】 which applies to most tickets booked at least seven days in 【𝟏-8️⃣𝟞𝟞-7️⃣𝟛𝟠-0️⃣𝟞𝟚𝟚(USA)  𝐎𝐑 +44-8𝟬𝟬-0𝟱𝟭-6𝟳𝟯𝟱(UK) 】 advance, and ensure you choose not to rebook on a new flight when the airline cancels your original one; 【𝟏-8️⃣𝟞𝟞-7️⃣𝟛𝟠-0️⃣𝟞𝟚𝟚(USA)  𝐎𝐑 +44-8𝟬𝟬-0𝟱𝟭-6𝟳𝟯𝟱(UK) 】 under U.S. Department of Transportation regulations, you are entitled to a full refund in this situation, regardless of the ticket type 【𝟏-8️⃣𝟞𝟞-7️⃣𝟛𝟠-0️⃣𝟞𝟚𝟚(USA)  𝐎𝐑 +44-8𝟬𝟬-0𝟱𝟭-6𝟳𝟯𝟱(UK) 】 .