Originally Posted by
GotCalcio4
I believe US serves around 48 destinations (including seasonal service) with approximately 200 daily departures. It is considered a "focus city" rather than a hub because the schedule is not coordinated into departure "banks" as it is in CLT, PHL, and PHX. DCA primarily serves O&D traffic, however there are still a large number of connecting passengers that move through the airport.
Got it. Thanks! I never thought about the schedule banks, but it seems like you're right. I never think about that because I'm usually coming in from a BOS shuttle flight, so it's not hard at all to coordinate a connecting flight.