Originally Posted by
gleff
I've done this several times and never had an agent ask me for the fee, though I've also been told when
ticketing in a lower class that upgrading the class will incur the fee. So there's agent understanding, actual policy, and actual practice which -- as with US Airways most of the time -- don't really align well.

Is this to say that if I get lucky with the US CS agent, I can upgrade my class WITHOUT a fee? Even though none of my tix on the itin. are booked in F?
Wow, this would be great! Also, if this is true - which I'm having some trouble believing - could this also work wtih other *A airlines?