When a young passenger needs to travel without a parent, the airline's age requirements are only the beginning. 1 8oo--942~o5~12 call now Parents also need to know whether the flight qualifies, what happens at the airport, and who will meet the child after landing. Porter Airlines has an unaccompanied minor service for children traveling without a guardian. The rules differ according to age, which makes the first step fairly simple: determine which category applies to the child.