Originally Posted by
KhemaneyBoy
As an SL who somewhat regularly flies in PY on a mix of R and T fare codes on flights between HKG/LHR in peak season, pretty much none. Don't get your hopes up. Also, the fare class you are booked in makes little to no difference when it comes to op-ups. The only thing you could do to perhaps improve your chances is do OLCI right when it opens up.
I appreciate the quick response. I've been flying CX as an SL mostly on Y and on a few occasions, J, but I managed to snag a good deal on PY and thought of the possibility of getting bumped up to J given the fare class I booked.