Originally Posted by
gabdusch
Maybe, but in my experience, AC15/16 has A LOT more paid-J demand + the competition along SE/SEMMs to upgrade is usually quite ferocious.
In about 12 return trips over the past few years as a SE I have had 0% upgrade success on 15/16 and 100% success on 7/8 (most of them with the 777HD, also with a smaller J cabin).
I gave up on buying lat fares on AC 7/8 because I was only getting upgraded 25% of time. PY has been around 40%. Maybe it's just the times I go. Flights always seem busy.