Originally Posted by
the_traveler
I find it useful, as it does not matter what airline you are flying on. If you're at an airport with a PP club, you can get in!

(If you're in BOS flying on AA, you can still get in the CO club, or if you're in ORD flying on UA, you can still get in the DL club, etc...)
I was under the impression that you could only get into the club of the airline that you are flying that day. This would be a big benefit if it's not the case. I tend to fly UA, but prefer the NWA WC, as it has free wi-fi and free booze.