Originally Posted by ernestnywang

CX already clarified this. Any MPO élite member departing on a CX- or KA-coded flight can access CX-operated lounges, so you will be allowed access. See https://www.cathaypacific.com/cx/en_...-benefits.html, under "Diamond" --> "Lounge Access" --> "Cathay Pacific First Class Lounges," it says, "Available only to members and their guests departing on ... flights marketed, but not necessarily operated, by Cathay Pacific or Cathay Dragon."