Originally Posted by
ugleeual
One and the same... DCA is the "domicile" but the flight office is located at IAD. There are three bases covered when someone is based there... IAD, DCA and BWI. Narrow bodies have lines in/out of DCA and BWI... Wide bodies don't get trips out of them... only IAD.
How often do you have to get between the three on the ground?
(i.e. Arrive DCA, depart BWI)