IMHO, IAD is by far the worst hub United has in all aspects. The RCC is bad, the 1K room is cold and unfriendly and the terminals are horrible - lack of decor, you feel like you're in a tunnel.
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When once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.
- Leonardo da Vinci