Originally Posted by
CX HK
Are you asking for the likelihood of an upgrade or how many times I've been upgraded before? Asking for the likelihood of an upgrade implies a probability, for example, "there's probably a 35% chance you'll get an UG today".
I can tell you I've been upgraded twice before, once LHR-HKG and once JFK-HKG. Both during the summer months.
Well if enough people provide the UG percentage, then you get a sample which gives you a rough idea of the likelihood of an UG.