can a 15 year old fly alone domestic flights?
- Report Abuse. Delta you have to be 15 to fly alone, most others you can fly alone at 14 as long as it's a non connecting (direct) flight. Hkolln Â· 2 years ago.Thumbs up.eport Abuse. Delta you have to be 15 to fly alone, most others you can fly alone at 14 as long as it's a non connecting (direct) flight. Hkolln Â· 2 years ago.