Originally Posted by
jgsx
Priority Pass (which you get with Centurion) gains access to many RCC locations. They recently added ORD and IAD.
I wouldn't say many. There are only a few. LAX and SFO are the two major UA airports where I need access the most and those are not PP. The only RCC's I think I ever successfully used PP at are PIT and PDX and that was years ago.