Originally Posted by
number_6
Only if you also do HKG at the same time -- CX cannot cabotage in Australia, the Open Skies treaty isn't that open yet. So in your example you'd have to go ADL-MEL-HKG.
I think this is right. I'd doubt CX would let you have different flight numbers for ADL-MEL and MEL-HKG (or HKG-ADL and ADL-MEL) - the point of dual flight numbers on ADL-MEL is to avoid this.