Originally Posted by jiejie

Hmm...interesting. I can see where it could work if the flight isn't full, if the airline thinks they'll have no walk-up takers at full fare, and if the clerk is somewhat on the ball to this. Question: when he tries this strategy, does he go directly to the check-in desks, or does he first stop over at ticketing/sales to get his ticket updated? (I assumed the latter)