Originally Posted by
flyerCO
I hughly doubt (I'd be willing to wager even) that cabin refers to anything but the newly offered PS on domestic (C+ has not and is not referredto as it's own cabin in any DL policy or procedure). They are likely to expand the flights it is on. However even if not, they would want to upgrade PS passengers 1st, just like international.
I deeply regret not taking you up on the offer to make a bet.
As of 1 January, at least for upgrade priority, C+ is a higher cabin than Main. I suppose we'll have to wait and see if anybody uses this to argue for a 75% refund for losing a C+ seat ex-EU.