Is getting into IAD at the Z gates on US and then connecting to an international UA flight in the D gates fairly straightforward?
From what I can gather on the terminal map for Dulles, I can walk to A and get a people mover to D or I can take a train from Z to C and walk to D. Which would be more predictable in terms of time? The itin I have on hold right now has a 2-hr layover. Not sure if carry-ons will need to be gate (valet) checked but if so will have to wait for that too.
Just to clarify - you don't need to walk over to the A terminal to catch a people mover to the D gates. Once you leave the Z gates (which are connected to the main terminal) you can catch a people mover over to D right outside.
To be honest, you're probably looking at about equal times - I can't imagine one taking more than 5 min or so longer than the other depending on how lucky you get with your timing of catching the next shuttle or train..
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Originally Posted by Often1
In order of preference:
1. People mover to D
+1 for this answer.
After you enter the building at any Z gate, turn left in the corridor. At the end of the corridor you will come to a Dunkin Donuts. Turn left at the Dunkin Donuts and go up a short escalator/stairs to the Mobile Lounge dock, and take the next one to the D gates - they typically leave about 5 minutes apart (at very quiet times during the day it can be as much as 8 minutes).