Join Date: Oct 2007
Location: LONDON
Programs: CX DM, BA G4L, QR PLT, EK PLT, Hyatt CC, HH DM, SQ SLTRE, BonvoyTit, UK SL, VS Wings, UA, DL, AA
Posts: 1,717
Before 9W went international and started competing with BA on India - US flights they did collaborate.
Now 9W is too much a competitor to have as a partner, unless of course 9W joined OW and route rationed with BA.
But you used to be able to redeem BA miles for 9W travel