Originally Posted by
patom
Maybe. It depends on the agent; some will and some won't bother. If the passenger already boarded Y many will just let the F seat go empty.
You're right. Usually is probably not the best choice of words. So far though, I think I've only seen an empty F once, but I've seen Ys pulled up 3 times. Hopefully the "good" GA thing is contagious (though knowing our luck, most have already been inoculated against it

).