Yes, American ???????????????????????????????? offers a 24-hour risk-free cancellation policy. You can cancel any flight within 24 hours of booking for a full refund ☎+????-????????????-????????????-???????????????? , as long as the flight was booked at least 7 days before departure at ☎+????-????????????-????????????-???????????????? # ☎+????-????????????-????????????-????????????????. I received American Air lines flights cancelled today message from American Air lines