Originally Posted by
number_6
Best I can tell JL is simply not selling A as a discounted F code at the moment; presumably this is fixed July 1, 2007 when they complete the OW integration; but at the moment you will have to take a downgrade to D even if there are plenty of empty seats in F on your flight (and no, they won't upgrade at the airport).
You'd think that would violate the ticket terms - JAL is welcome to be very restrictive on how many seats they make available, but if they never make any available (for any reason, including computer programming, which is well within their control) the passenger should have a legitimate gripe.