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A floor cease issued at a number of airports within the Washington, D.C., area on Friday has been lifted after a chemical odor disrupted air visitors management operations.
“The bottom cease is over and operations have resumed,” Transportation Secretary Sean Duffy wrote on X. “Firefighters from Fauquier County and Prince William County verify there isn’t a hazard to air visitors controllers.”
The non permanent floor cease affected Ronald Reagan Washington Nationwide Airport (DCA), Washington Dulles Worldwide Airport (IAD), Baltimore-Washington Worldwide Airport (BWI) and Richmond Worldwide Airport (RIC), based on Duffy.
The Federal Aviation Administration (FAA) later downgraded the alert to floor delays for the Washington-area airports as operations progressively resumed.
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Transportation Secretary Sean Duffy throughout a information convention in Terminal A at Newark Liberty Worldwide Airport in Newark, N.J., Nov. 24, 2025. (Victor J. Blue/Bloomberg through Getty Pictures / Getty Pictures)
The FAA web site confirmed vital delays as of 8:40 p.m. Friday, together with common floor delays of about 222 minutes at DCA and greater than 150 minutes at BWI.
Earlier within the day, Duffy mentioned the FAA was investigating a powerful odor detected on the Potomac Terminal Radar Method Management (TRACON) facility, which manages air visitors within the space.
He later mentioned the scent got here from an overheated circuit board, which has since been changed.
“The supply of the sturdy odor was traced to a circuit board that overheated, and it was changed. Thanks on your persistence as we get flights up and working once more,” Duffy mentioned.
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An FAA air visitors management tower at Ronald Reagan Washington Nationwide Airport in Arlington, Va., Oct. 28, 2025. (Samuel Corum/Bloomberg through Getty Pictures / Getty Pictures)
TRACON, situated in Warrenton, Virginia, gives air visitors management companies throughout the Baltimore-Washington and Richmond-Charlottesville areas, in accordance to FOX 5.
An FAA spokesperson confirmed the bottom cease was applied after a powerful chemical scent on the facility affected some air visitors controllers.
“The FAA has quickly stopped visitors at Ronald Reagan Washington Nationwide Airport (DCA), Washington Dulles Worldwide Airport (IAD) and Baltimore-Washington Worldwide Airport (BWI) due to a powerful chemical scent on the Potomac TRACON that’s impacting some air visitors controllers,” the spokesperson mentioned.
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Passengers stroll at Dulles Worldwide Airport Nov. 12, 2025, in Washington, D.C. (Sha Hanting/China Information Service/VCG through Getty Pictures / Getty Pictures)
Though flights at the moment are resuming, airport officers mentioned passengers ought to anticipate lingering delays as airways work by the backlog.
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“Airways are as soon as once more resuming common operations and getting ready departures. Anticipate residual delays this night,” BWI Airport mentioned in a publish on X. “For flight-specific updates, please verify flight standing along with your airline. We admire the persistence of passengers impacted by the delays.”

