Originally Posted by rattydukes

You won't likely be able to use the Polaris lounge in ORD since you won't be on the Polaris ticket yet. SFO polaris lounge isn't done yet, and the old UA first lounge in intl is a bit crowded these days. SFO is a fine airport to kill time though. Also give yourself plenty of time in FRA. I've had so many issues where I had to run through that airport my min connection time there is 3 hours these days. The Senator lounge is a fine place to relax, freshen up, and pass time.