On a Friday afternoon in mid-November, the Federal Aviation Administration brought the nation's departing flights to a halt, ordering every aircraft at every American airport to remain on the ground. The reason, as Transportation Secretary Sean Duffy described it, was a communications failure touching all of the Air Route Traffic Control Centers that guide planes between cities, a fault that reaches the whole system at once rather than any single place. Those who manage the skies are still searching for its source, and the order's scheduled end at 11:30 that night remains a promise to be teste
FAA Orders Nationwide Ground Stop for U.S. Flights Over Air Traffic Communications Failure
Every departing aircraft at every U.S. airport was told to stay on the ground.
So what actually happened on Friday afternoon?
At 3:45 p.m. Eastern the FAA stopped all departures at every U.S. airport. The reason given was a communications issue hitting all the Air Route Traffic Control Centers.
Why does it matter that it was all of them?
Those centers guide planes between airports. When the problem touches every one, there's no regional workaround, so a nationwide stop is the cautious response.
Let's be careful, though. We know what Secretary Duffy said, that it was a communications issue. We don't know what failed or why.
And planes already flying?
They weren't ordered to land right away. International arrivals are being handled case by case.
Which suggests the concern is about departures, but nobody has explained the reasoning beyond safety concerns.
The stop runs until 11:30 p.m. Does that mean flights resume then?
Not necessarily. The directive says aircraft stay grounded until further notice, and 11:30 is when the stop is set to end.
Right. And there's no count yet of delayed flights or stranded passengers, so anything like that would be a guess.
What's the next thing to look for?
The technicians' findings and whether the FAA lifts the order early or extends it.
Le Pouls
- A nationwide order at 3:45 p.m. Eastern froze every departing flight in the United States in a single stroke.
- A failure reaching all Air Route Traffic Control Centers at once turned a technical fault into a system-wide disruption.
- FAA technicians are working to find what broke, while flights already in the air continue on their routes.
- The stop is set to run until 11:30 p.m. Eastern, but the timeline hangs on the technicians' findings and any early lifting of the order.
On a Friday afternoon in mid-November, the Federal Aviation Administration brought the nation's departing flights to a halt, ordering every aircraft at every American airport to remain on the ground. The reason, as Transportation Secretary Sean Duffy described it, was a communications failure touching all of the Air Route Traffic Control Centers that guide planes between cities, a fault that reaches the whole system at once rather than any single place. Those who manage the skies are still searching for its source, and the order's scheduled end at 11:30 that night remains a promise to be tested rather than a certainty.
At 3:45 p.m. Eastern on Friday, Nov. 13, the Federal Aviation Administration ordered every departing aircraft at every airport in the country to stay on the ground. The agency cited extraordinary circumstances and safety concerns tied to an air traffic control problem, and the order took effect across the entire nation at once.
Transportation Secretary Sean Duffy traced the trouble to a communications issue affecting all of the Air Route Traffic Control Centers, the facilities that track aircraft as they move between airports. Because the problem reached every one of those centers, it was not a local glitch. In a post on X, Duffy said FAA technicians were investigating and that updates would follow as soon as they were available.
The order was scheduled to hold until 11:30 p.m. Eastern, though the directive called for departing aircraft to remain grounded until further notice, so that hour marks the planned expiration rather than a promised restart. Planes already airborne were not told to land immediately, and international arrivals were being handled case by case.
What remains unknown is what exactly failed, how long the fault had been building, and how many flights and passengers were caught in the stop. Whether the order would lift early or run past its scheduled end is also still open. The next word from the FAA on the technicians' findings will show how long the country's departures stay on the ground.
At 3:45 p.m. Eastern on Friday, Nov. 13, the Federal Aviation Administration ordered every departing aircraft at every airport in the United States to stay on the ground. It was a nationwide ground stop, and the agency tied it to extraordinary circumstances and safety concerns around an air traffic control problem.
The cause, according to Transportation Secretary Sean Duffy, was a communications issue affecting all of the country's Air Route Traffic Control Centers. These are the facilities that manage aircraft as they travel between airports, so a problem reaching all of them at once is not a local glitch.
Duffy described the situation in a post on X. He wrote that the FAA had issued the nationwide ground stop for all U.S. airports after a communication issue affecting all the centers, that FAA technicians were investigating, and that updates would follow as soon as they were available.
The order was set to remain in effect until 11:30 p.m. Eastern. The directive itself called for departing aircraft to remain grounded until further notice, so the 11:30 p.m. time marks the stop's scheduled expiration rather than a guarantee of when flights would resume.
The order applied to departures, not to aircraft already flying. Planes in the air were not being told to land immediately, and international flights headed into the country were being handled case by case.
The reporting available does not say what exactly failed, how long the communications problem had been under way before the order, or how many flights and passengers were affected. It also does not say whether the stop would be lifted early or extended past its scheduled end.
What to watch for is the FAA's update on the technicians' findings, any announcement lifting the order, and an explanation of what broke in the communications link between the centers. Duffy has promised immediate updates, and those will be the first word on how long the country's departures stay on the ground.
Citations marquantes
FAA technicians are investigating the issue. We will provide immediate updates as we have them.— Transportation Secretary Sean Duffy, on X