Originally Posted by
TTOCSMCC
Yes do list.
Not only do the gate agents prefer it, it will also get you in line. It is not really first come first serve for the cockpit jumpseat. It is first list first serve.
Of course Spirit pilots will have priority over off line pilots though.
Good luck getting an answer though. Don't even bother holding if the "please wait" message picks up immediately. I'm convinced that IT has an auto-ignore button that they use liberally.