Originally Posted by
Bikeguy
In the NW forum, the advice you would have gotten is if you do it only once or twice a year, and fly a lot regularly, you'll be fine.
Things happen.
Medical emergencys.
Whatever.
Now, if you do this on all your flights with DL, and you use a FF number, you are asking for trouble.
I guess it would be the same advice on DL. Once or twice should be fine, just don't make a habit of it.