Originally Posted by ALW
I suppose having come in on an AC J transborder won't get you into an RCC while waiting for a UA domestic flight in F?
The RCC guards should take into consideration your entire journey that day. If you are at any point of a qualifying same-day *A itin, you should get lounge access. You may need to show your intl BPs/itin to get the point across, but you should be allowed in.