Originally Posted by
number_6
Any CX flight in J or F has Wing/Pier lounge access. KA flights do not (most of the cheap flights ex-HKG are KA). XMN flights are operated by KA but have a CX codeshare; I think if you book the CX codeshare you get CX lounge access, but better check with CX about that -- the KA code definitely does not (KA has a separate lounge at HKG, which is nothing like the Wing/Pier).
Access rules should be formalised as KA enters OW. I suspect the KA lounges, where they exist over CX equivalents, will close down and that the KA-branded ones will initially retain the same, but over time be assimilated into the new mother brand.