I'm currently confirmed on 6 Mar CX111 HKG/SYD in U class (miles upgrade from paid economy to J). Have been trying to push this date back to the following weekend (12/13 Mar) but no success other than waitlist for CX101 on both of those dates.

Now here's the interesting part - the 6 Mar CX 111 is showing I3 D7 J9 C9. Both the CX101 flights the following week show greater availability across all business class fare buckets.

Does anyone have clues as to when CX release U class inventory? Obviously I will need to know before 6 Mar. When I checked past threads, it was mentioned that all waitlist requests go straight to revenue control. Given light loads and my MPO silver, I'd have expected to get clearance fairly quickly. But it's been about two weeks. Guess SL is just not good enough

Any suggestions appreciated.