Originally Posted by C11DCA

IAD is always going to have more flying then either DCA or BWI since it’s the hub.

for example in April. Pairing ops by departure airport

320:
IAD-218
DCA-129
BWI-69

737:
IAD-587
DCA-129
BWI-112

getting from DCA to IAD is not hard. Metro if you have the time or Uber/Taxi if you don’t.