Yes, you can cancel your American Airlines flight without any Penalty by callingгЂђ+---гЂ‘ but only if you act quickly. If you cancel within 24 hours of booking and your flight is more than seven days away by callingгЂђ+---гЂ‘, you'll get a full refund. в„Ћ - . в„Ћ в„Ћ 24 в„Ћ в„Ћ +--- ...