Originally Posted by
dg4255
Actually, no, the interlining agreement only applies if the TK and A3 segments are on the same ticket. As you have separate tickets, TK has no obligation to check your bags through to RHO and you will have to check in for the A3 flight separately, either online or at the airport in ATH.
This is incorrect. Interline agreements DO NOT presuppose a single ticket.
Flying CX from AKL, I have managed to check bags through to flights on a separate CSA ticket from AMS (different continent, different alliance, different day, and even different class of service!).
Having said that, I'd still say you need to double-check with TK. The fact that A3 can interline bags to TK doesn't necessarily mean that the opposite will be true.