Originally Posted by
cloudeleven
I actually got a free upgrade from Y to J in 2008 on an LAX-HKG CX flight due to Y being oversold. My mother and I sat down in our assigned Y seats, and about 5 minutes later two other pax came along and said they had also been assigned our seats. A couple of FAs talked for a while, then told us to come with them. They led us upstairs to our nice J seats. First time we've ever flown higher than Y, and it's on a 14 hour flight.
How rare is that? 1 in 100? Rarer?
It seems that Op-up is really normal for CX. What we are talking about is in fact DB - you don't get on the same flight.