Originally Posted by
inpd
Okay. But I would deal with BA/OS right?
Originally Posted by
BA0197
(btw OS no longer exists, these are BA flights now with BA flight numbers operated by OS)
It's technical, but do be careful with this: OS most definitely still exists, as it's long been the IATA airline code for Austrian Airlines. There's scope for getting stuff muddled up if the OP is not careful about what's meant by OS.