Originally Posted by
dkc192
IAD is the easiest UA-UA I-D connection of the three. With GE and no checked bags, you can be at the PL within 15 minutes of arriving at the gate.
IAD is probably the easiest but even sitting in the PL for two hours can be a bit long. With GE and no bags... you can be in ORD T1 in less than 20 minutes.