FAA ground stop halts all US flights after control centre communication failure

What happened

The Federal Aviation Administration ordered a nationwide ground stop on the afternoon of Friday 13 November 2026, according to TechCrunch. The order means no aircraft may depart from any airport in the United States while the stop remains in place.

The agency attributed the action to an equipment outage and to safety concerns. A spokesperson told TechCrunch that the FAA took the step after communication problems affected several Air Route Traffic Control Centers, the facilities that guide aircraft between airports.

Details of the order

An alert issued by the Air Traffic Control System Command Center, the FAA body that manages traffic flow, said the disruption stemmed from extraordinary circumstances connected to safety. The alert gave no further explanation of the cause.

Under the order, departing aircraft must stay at their gates until the FAA lifts the stop. The agency said flights arriving from other countries would be handled individually, so inbound international traffic is not covered by the same blanket restriction.

The FAA's website displayed a message about an equipment outage, and the site itself briefly went offline while TechCrunch was reporting the story. The alert was also not visible on the ATCSCC website at the time of publication.

The response

Transportation Secretary Sean Duffy wrote on X that FAA technicians were looking into the problem. The agency has not said what triggered the outage or how long repairs might take.

Because the FAA has not identified a cause, any link to other events remains unconfirmed. TechCrunch notes that the outage happened in the same week the administration introduced an AI-powered tool intended to help air traffic controllers cut flight times and fuel use, but it is not known whether that tool has any connection to the disruption.

Who is affected

Every airline and passenger planning to fly out of a US airport is affected, since no departures are permitted while the stop is active. Travellers should expect delays and cancellations to build up quickly, and should check with their airline for the latest status.

Flights already in the air, and international flights heading to the United States, are being managed separately rather than being ordered down. The FAA has not said when normal operations will resume.

Why it matters

A nationwide ground stop is a rare and far-reaching action. The US air traffic system depends on communication links between regional control centres, so a fault affecting several of them at once leaves regulators with little choice but to hold traffic on the ground.

The event also adds to a run of high-profile technology failures at major infrastructure operators. Until the FAA explains the cause, travellers and airlines will have to plan around uncertainty, and questions about the resilience of the system are likely to follow.