Originally Posted by
Koru Flyer
That said, I believe that it is wrong to state that 'most' or 'many' airlines do not interline even on separate tickets, as I think you will find that most actually do, but a small and vocal number do not (BA, QF, NZ).
Depends on how you look at it. Basically all airlines in ANZ don't offer this service (anymore). And even outside the region you find airlines who don't, from a full service carrier like British Aeroflot to a Ryanair.