Originally Posted by
megaloman
BA can sell seats on flights with anyone they have interline agreements with, some of their fares e.g. allow LO on WAW-LHR feeders.
In all the years I've flown to Taiwan I've never had the BA website show any flights from HKG apart from Cathay ones.
If I change the departure to e.g. Frankfurt (and hence FRA-LHR-HKG-TPE) then all the non-Cathay flights disappear.