When arriving off a west coast red-eye via EWR or IAH, I usually stop by the PC (now UC) for a shower if I have time but coming up I'll be taking the red-eye via ORD and it looks like their shower facilities are limited to the international arrivals lounge which is a no-go for me. It appears that American Airlines has a regular club with showers at ORD but I wasn't sure if they required their "day pass" users to have an AA (or at least One World) boarding pass or not...anyone have any experience with this?