Originally Posted by
jsloan
I'd be shocked if it followed anything besides the order published in expert mode. A GS member on an X/XN fare with a GPU applied would almost certainly clear after a GS member on any economy fare with a points + cash or GPU applied.
That's just a guess. It may be a good one, but it's a guess.
I know from personal experience getting into the GFL at SFO that UA considers saver awards "full fare" such that an I ticket would get you in where a Z or a P would not. Saver awards also fully changeable without restriction, which is another characteristic of a full fare ticket.