Occasionally we see that Family is told NOT to go to the Airport. That it is not allowed. Not true. It IS up to the discretion of each individual airline. I would guess that the state of the world can affect that. Here is the "skinny" on that: This is listed in the FAQ's for O'Hare and Midway under the Q. of "Can I escort a child, elderly adult or member of the U.S. military to the gate?":  "...W…