'Strong smell' shuts down flights at major DC-area airports for the second time this month The FAA halted flights at Reagan National, Dulles, BWI, and other DC-area airports Friday after a strong smell was reported at the Potomac TRACON facility. Original Source: https://www.foxbusiness.com/lifestyle/strong-smell-shuts-down-flights-major-dc-area-airports-second-time-month