Originally Posted by
jsloan
OP -- I suspect you may have been confused by the "instant" upgrade terminology for Y/B/M fares for 1K. Those upgrades are only applicable on CPU-eligible flights (i.e., not transoceanic) and clear into PN -- meaning that they're still capacity-controlled.
That is indeed what I was confused by :-)
So if there is R inventory, is having the fare required to be booked in W or better? AIUI, W is the highest "deep discount coach" fare.
Thanks all!