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Ground stops at Reagan National, Dulles due to chemical smell

Faulty equipment caused a chemical odor at Potomac TRACON, halting flights and causing delays at four major Washington-area airports affecting about 30% of flights, FAA said.

  • On Friday, the FAA halted flights at multiple Washington-area airports after a reported chemical smell, placing Ronald Reagan Washington National Airport, Dulles International Airport, and Baltimore/Washington International Thurgood Marshall Airport under ground stops through at least 7 p.m. Eastern.
  • The FAA said a strong chemical smell impacted some air traffic controllers at the Potomac Consolidated TRACON, which helps manage approach functions as a Terminal RADAR Approach Control.
  • FlightAware reported close to 7,000 delays and 647 cancellations on Friday as Dulles International Airport departures faced 90-minute delays and Philadelphia International Airport had a ground delay.
  • The FAA warned the holds could be extended, citing a medium probability of extension and cautioning that the ground stops are subject to change as the situation develops.
  • Because the TRACON manages regional approach airspace, its outage in Warrenton, Virginia, roughly 50 miles outside Washington, caused ground stops at Richmond International Airport and other regional airports.
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Center

A strong smell of chemicals in the control center forced Friday to stop air traffic at the three airports that provide coverage to the city of Washington causing numerous delays. About 17.00 local time air traffic was stopped at Ronald Reagan National Airport, Dulles International Airport and Baltimore International Airport, which provide coverage to the U.S. capital. Richmond International Airport, Virginia State, was also affected.Four hours l…

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Lean Left

Flights resume at Washington D.C. airports after heavy odor suspension in control center

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Right

The Federal Aviation Administration (FAA) resumed landings at Washington DC airports. On Friday afternoon, air operations at several airports near the capital of the country were suspended due to the presence of a strong chemical smell at an air traffic control facility. Read more

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KBZK broke the news in on Friday, March 13, 2026.
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