American Airlines has a policy for unaccompanied minors (UMs) travelling alone. Here are the key details:

1. Age requirement: American Airlines defines an unaccompanied minor as a child between the ages of 5 and 14 who is travelling alone.
2. Fees: American Airlines charges a fee for each unaccompanied minor, and the amount varies depending on the airline's policies and the itinerary.
3. Reservations: Unaccompanied minors must be booked separately from adult travellers. You can book an unaccompanied minor's ticket online or by phone.
4. Travel assistance: American Airlines provides additional assistance to unaccompanied minors, including special boarding procedures, in-flight care, and assistance with connecting flights.
5. UM service: American Airlines requires that an adult drop off the unaccompanied minor at the departure gate and present valid identification. Upon arrival, a designated adult must be present at the arrival gate to pick up the child, and they must also present valid identification.
6. Restrictions: Unaccompanied minors are generally not allowed to travel on connecting flights, red-eye flights, or on the last flight of the day. Additionally, UMs are not allowed to sit in emergency exit rows or upgrade to premium seating.

It's important to note that American Airline Unaccompanied minors are subject to change, and it's always best to check with the airline directly to confirm any details and to ensure a smooth travel experience for the unaccompanied minor.