Originally Posted by
Paulakers2010
.... IMO, J2 for SFO-HKG is definitely telling you there may not be any seats left for upgraders. Am I looking at it wrong?
assuming the empty seat map info provides any guidance -- should not be relevant to your decision making other than to see if your favorite seat is taken. When J2 and the seat map is 11 or 17 or 2 -- then seat map adds little useful info.