Originally Posted by BenjaminNYC
I've always through that the QUAUP's->A were especially low.
Yet they still generate 2-3x the RASM of a Q fare.
My QUPs are averaging 30 cents RASM, vs. 10-15 cents for the "plain" Qs and Ws.
And as noted above, the B's are probably subject to discount or it's just a way for UA to try and entice people who can buy a premium cabin fare to do so rather then upgrade.