Are you interested to be aware of the arrangement for minors for Delta Airlines? Without parents or guardians, unaccompanied minors on delta flights are permitted to fly alone, between the age of 5 to 14 years. Youngsters under 5 are not permitted to travel solo upon the obligation of the carriers. There are certain guidelines that you should agree to prior to booking the trip for an unaccompanied minor. As per Delta minor policy, travel is allowed for minors only on Delta-operated flights. Youngsters matured 8 to 14 years of age are allowed to travel solo to and from the trips outside the United States.