Have you ever gone someplace with the sole purpose of flying on that specific plane / route, into a small airport, where the plane only turns around to go fly back half an hour or so later?
I'm sure that they would not allow you to remain on the plane, since you would have to check-in. Checking in at your origin for both flights is not an option either, since origin and destination can not be the same, right?
(This is all assuming you have no luggage)
So is it possible, or in some cases impossible, to leave the plane, check-in again and make it in time on those 30-minute turn-arounds? Has anyone done it?