Originally Posted by
lensman
From an airline route planning perspective, is IAD a domestic hub or an international gateway? Does UA flow any passengers from the northeast through IAD or do they flow all that traffic through EWR?
I think the only international routes flown exclusively from IAD are to the Middle East (Kuwait, Dubai) - not surprising given that I'm sure it's a ton of government contractors who use the route. EWR is definitely the East Coast international gateway.