Aeromexico allows children aged 5 to 17 to travel as unaccompanied minors. Kids under 5 can’t fly alone. Teens 15-17 can choose to use the service or not. Special care is provided during the journey. Fees apply for this service. For further information about Aeromexico Unaccompanied Minor visit the Aeromexico airlines official website and call the customer service number.
Source: https://www.airlinesunaccompaniedminor.com/aeromexico-umnr-policy