Originally Posted by
Flyingeagle
I do it almost monthly. I have never had a problem. It has been harder to have them add you to a flight with a connection. Let's say you have a little extra time and you want to have an In-N-Out burger in SFO on your way to Seattle from let's say the East Coast. Can't say I've ever done that though
For that, there's SDC. And that's a totally valid use of it.