American Airlines missed flight policy outlines procedures for passengers who fail to board their scheduled flights. Typically, passengers must inform the airline promptly to explore rebooking options. Fees or fare differences may apply for rescheduling. However, policies vary based on ticket type and circumstances. Passengers are encouraged to review the specific terms outlined in their booking or contact this number +1-888-675-7776 for assistance. For more info: https://www.airlines-go.com/blog/american-airlines-missed-flight-policy