Originally Posted by zrs70
Let's see:
1) Let me rephrase. The ticket is electronic with a NW ticket number.
2) If I were to check in at the airport, I would check in with CO and not NW, as I am flying CO. (Let's say it were a paper ticket, I woudl check in with CO, no questions asked).
You have to call CO - tell them what flight you are on - and they will give you their PNR -- it is different from NW --
You will be able to do OLCI 24 hours in advance -
I have done this several times without issue.