Originally Posted by
jamar
How does the class J upgrade work on a domestic flight? I seem to remember that I can only do it at the gate, but is any Y ticket OK for the 1000 yen upgrade? Mine is part of an AA award itinerary.
I haven't done this personally with award ticket but I believe you can do that at check in in Japan. But just to be sure you can give JAL office a call (or I can check with them them the next time I call)