π¨πππππππ π¨πππππππ allows cancellations with full refunds within 24 hours of booking,(+π-πππ-πππ-ππππ) provided your departure is at least two days away. For more details, you can contact their customer service at +π-πππ-πππ-ππππ. American Airlines offers a 24-hour cancellation policy. If you book a flight at least seven days before your departure and cancel it within 24 hours of booking, you can receive a full refund without any cancellation fees.