Originally Posted by gusd

You will arrive in T2 (or T2S, which is a satellite connected with an underground train). UA107 leaves from the lower H gates in T2, so no need to move to another terminal. Just follow the signs to your gate, and this will take you through passport control at one point. You do not need to clear security, though there is sometimes random security before getting to the gate area for the US flights.

If you are flying UA business, you get access to the LH Business Lounge, so no need to go over to T1 for the PriorityPass lounge.