Traveling with minor who is not related
Ok so I’m flying tomorrow on southwest with a 12-year-old who is a friend of my son’s. His mom can’t go due to an emergency situation with her other son. I know 12-year-olds can technically travel alone but has anyone else gotten a Consent to Travel from a parent just in case? I’m worried we will get to the airport and someone will question us because of different last names. The mom still hasn’t done it even after we requested and she insists it won’t be a problem. I don’t want to get stuck at the airport with her son. Thoughts?