 According to data from FlightAware, there were more than 1,400 flight cancellations within, into, or out of the U.S. yesterday. Now, right now, this morning, Dulles International, BWI Marshall, and Reagan National are all seeing about 20 delays each, according to FlightAware. Cancellations are down both at BWI Marshall and Dulles. Only four cancellations at both. Reagan National has about a dozen right now. Be sure and check with your airline if you have a flight out today.