Originally Posted by
stevenshev
Note, not not, just to help clarify.
Thanks, fixed the typo.
Originally Posted by
stevenshev
Also, in practice, they can be used on any fare, not just QV. I know people who have gotten away with W and S.
The certs specifically exclude W & S. I would not bank on an upgrade if traveling on these fares. Well, I probably wouldn't chance an upgrade Y->C on LH in any case, but...