Yes, you can cancel your American flight without any penalty【 +????-????????????-????????????-???????????????? (????????????) ???????? ++????-????????????-????????????-???????????????? but only if you act quickly. If you cancel within 24 hours of booking and your flight is more than seven days away at +????-????????????-????????????-????????????????, you'll get a full refund. You can cancel your American (Æ) flight without penalty by contacting ++????-????????????-????????????-???????????????? OR, ++????-????????????-????????????-???????????????? if the cancellation is made within 24 hours of booking (Æ) and the flight is scheduled to depart at least seven days later. After 24 hours, fees apply (Æ).