Originally Posted by
taiwanfrequentflyer
Today I need to go to UK this Sunday, I am DM but cannot be bothered with seat guarantee as it never works so I booked CX to HKG and BA biz class to LHR. ( no seats available with CX )
Seat guarantee always works on J, C (on CX not KA), but never works on D, I. In fact, I feel that award availability (at least upgrade award) is higher than I availability. I think that is because CX makes more money on booking classes YB than DI.