You need to choose an unaccompanied minor with Delta Airlines. Dial us at our customer service number, and they will guide you on availing of the Unaccompanied Minor Policy. Delta Airlines Unaccompanied Minor Policy is designed for safe travel for children aged 5-14 traveling alone. They are willing to supervise them from check-in until your child arrives. It requires an extra charge and has specific guidelines. Call +1 (855) 559-2323 for reservations, changes, or queries.