but i think BA should do codeshare on CX flights too, in addition to QF flights for higher frequency:
QF29/30: 1 daily
QF67/68: 3 weekly
QF97/98: 4 weekly
while CX's same route has a lot higher frequency than QF:
HKG-MEL: 3 daily
HKG-PER: 10 weekly
HKG-BNE: 11 weekly