How old do you have to be to fly alone in the US?

Question

Im currently 15 and im on the east coast i wanted to know how old you have to be to fly alone i wanted to go to arizona to visit my family if anyone can please help me.. thx :}

Answer 1

5 and up as long as your parent or gardian has concent.

Answer 2

that is old enough, i was flying by myself since i was 8 years old