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Chemical odor triggers one-hour ground stop across four major DC-area airports

12 unique / 13 total | Updated 1d ago | Created 2d ago
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Four key airports serving the Greater Washington, Baltimore, and Richmond regions halted all flights for over an hour on Friday evening due to a strong chemical smell emanating from overheated circuit boards at nearby air traffic control facilities. The Federal Aviation Administration issued temporary ground stops affecting Ronald Reagan National Airport (DCA) as controllers struggled with visibility caused by fumes leaking into the Potomac facility, prompting significant delays and cancellations for travelers in Virginia's capital region.

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    A ground stop issued by the FAA halted flights across four major airports in and around Washington, DC due to a strong chemical odor emanating from an air traffic control facility.
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    The issue was traced back specifically to Ronald Reagan National Airport (DCA) where overheated circuit boards were identified as the source of both smell and equipment malfunction.
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    Flights remained grounded for approximately one hour on Friday evening before resuming operations after authorities confirmed no danger existed at controllers' workstations.
2026-03-14 FAA lifted ground stops and flights resumed across Washington, DC-area airports following confirmation that the chemical smell posed no danger to air traffic controllers; issue traced to overheated circuit boards.
Friday evening (March 2026) Ground stop issued for all three or four major airport systems serving Washington, DC-area due to strong chemical odor impeding operations at the Potomac air traffic control facility; Transportation Secretary Sean Duffy announced closure.
Ground stop issued for all three Washington DC-area airports after 'strong chemical smell' detected

A strong chemical smell detected by officials led to an air traffic control shutdown affecting all three major airports serving the D.C. area due to overheating equipment inside Potomac TRACON's facility; however, firefighters confirmed no danger after replacing a faulty circuit board and operations resumed shortly thereafter.

Strong chemical smell forces one-hour flight halt at four major Washington DC-area airports

Four major Washington-area airports halted landings on Friday evening due to a strong chemical smell emanating from Potomac TRACON that impaired air traffic controllers. This ground stop caused flight delays across the region, with roughly 25% of departing flights delayed and some reaching two hours long before operations resumed after 7 p.m., though landing restrictions remained in place at the time of reporting.

US travel disruption: Chemical odour stops flights at four Washington DC airports

Four major Washington, D.C., area airports halted operations for over an hour due to a strong chemical odor emanating from Potomac TRACON that impaired air traffic controllers' ability to manage flights. This declaration caused flight delays across these hubs and the region's busiest airspace between 25% and one-third of departing aircraft were affected, with ground stops remaining in place after evening departures began at seven p.m. ET on Friday.

Mal olor en el centro de control obliga a detener tráfico en los aeropuertos de Washington
Chemical odour disrupts flights at three Washington-area airports for several hours

Flights across Ronald Reagan National Airport (Dulles), Baltimore/Washington Thurgood Marshall International Airport were temporarily halted due to a chemical odor caused by an overheated circuit board at the Potomac TRACON facility. The two-hour ground stop disrupted hundreds of flights during spring break travel, with delays ranging from one hour to over three hours across multiple airports in Washington and Virginia regions