Originally Posted by Renard

As a UA star gold, I've been turned away everytime by US lounges on a Caribbean (not PR or USVI) ticket at CLT. I suspect that you had luck going to Mexico via PHX.

I questioned it twice and the lounge dragon got belligerent, once waving a book at me. I haven't tried the last couple of times as nothing drags down the beginning of a vacation as a confrontation with a US lounge dragon.

It's against the rules. It's not right but it happens and happens often. Citing the Star Alliance rules does no good. YMMV