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The FAA ordered a ground stop at every U.S. airport at 3:54 PM ET on November 13, 2026. A developer built a Show HN project that maps tracked commercial flights in real time, comparing airborne aircraft, departures, and airport recovery against the same period a week earlier using ADS-B and FAA delay data.
The FAA halted all departures from US airports Friday afternoon after what officials described as a telecommunications issue affecting Air Route Traffic Control Centers. Transportation Secretary Sean Duffy announced the stop on X, while DHS Secretary Markwayne Mullin said it was not caused by a security threat and that international flights would be handled case-by-case. This marks only the third nationwide ground stop in FAA history, following 9/11 and a 2023 system outage.
The Federal Aviation Administration ordered a nationwide ground stop Friday afternoon, halting all departing flights due to what it called 'extraordinary circumstances' and safety concerns. The FAA said the stop followed communication issues affecting multiple Air Route Traffic Control Centers, and its own website briefly went down with a notice of technical difficulties. Transportation Secretary Sean Duffy said FAA technicians were investigating the cause, while inbound international flights were being handled on a case-by-case basis.
The FAA ordered a nationwide ground stop Friday, citing safety concerns, after radio frequency outages were reported at major Air Traffic Control Centers including Boston, Chicago, and New York. Transportation Secretary Sean Duffy said the stop was linked to a communication issue affecting ATC centers. Flights already airborne were allowed to land, but no new departures were permitted.
The Federal Aviation Administration has ordered a ground stop affecting every airport in the United States, halting departures of flights bound for US airports. Flights already airborne are still permitted to land. The agency attributed the stoppage to an equipment outage.
The Federal Aviation Administration halted all departing U.S. flights at 3:54 p.m. ET Friday, citing 'extraordinary circumstances' and safety reasons, while allowing inbound international flights to be handled case by case. At the time of the order, more than 4,000 flights bound for U.S. airports were already airborne, according to Flightradar24.
The FAA ordered a nationwide ground stop on Friday, halting US departures after a communication issue hit all Air Route Traffic Control Centers, affecting radar and radio frequencies. Planes already airborne were still permitted to land, and FlightAware reported nearly 7,900 delayed flights by late afternoon. Transportation Secretary Sean Duffy said FAA technicians were investigating the cause.