On a Friday evening in mid-November, the nation's skies went quiet for more than four hours after the Federal Aviation Administration halted departures across the country, a pause triggered by unstable radar and communications at aging air traffic control centers. It is a reminder that the invisible machinery carrying millions of people through the air depends on decades-old wiring and switches, and that when they falter, ordinary plans dissolve into waiting rooms, rental counters and long drives home. Officials insist no attack was behind it and that lives were never at risk, yet the episode
FAA Lifts Nationwide Ground Stop After Air Traffic Control Outage Strands Thousands
Thousands of travelers were stranded at airports or forced to find alternative transport, and some families faced disrupted trips, including a family delayed while visiting a dying relative.
"You will have more of these," Duffy warned, unless Congress builds
Mark
Why did a technical glitch ground the entire country?
Mimi
Duffy said switches and routers in the old analog system got overloaded and began giving inconsistent data, so the FAA shut things down rather than trust it.
Mark
So the grounding was a precaution?
Mimi
That's how officials framed it. Mullin said the public was never in danger and no flights were at risk.
Luke
Worth noting that's the officials' account. The reporting here doesn't include independent technical confirmation of the cause.
Mark
And the cyberattack question?
Mimi
Mullin said there was no evidence of one, and earlier that there was no prior indication of a nefarious attack. Microsoft also said it saw no link to its services.
Luke
Careful, though: no evidence so far isn't the same as ruled out. Mullin's earlier wording was "as of yet."
Mark
What about the money?
Mimi
Trump asked for $30 billion; Duffy said he wants $50 billion, and warned more outages will come without it.
Luke
That warning is a prediction from someone arguing for funding. It may be right, but it's not a finding.
Mark
Is everyone back to normal?
Mimi
No. Duffy gave no timeline, though he expects operations to be up by Thanksgiving on Nov. 26. The Cowlings can't leave until Sunday.
O Pulso
- A nationwide ground stop kept departing aircraft on the tarmac for more than four hours, leaving thousands stranded in terminals and scrambling for rental cars, trains and buses.
- Transportation Secretary Sean Duffy blamed overloaded switches and routers in an aging analog system, while Homeland Security Secretary Markwayne Mullin moved quickly to rule out a cyberattack.
- Families and athletes were caught mid-journey, from a couple cutting short a trip to see a dying brother to football teams grounded before rivalry games.
- Flights have resumed, but airlines face a backlog with crews out of position, and Duffy's push for $50 billion in upgrades now sets up a fight in Congress before Thanksgiving.
On a Friday evening in mid-November, the nation's skies went quiet for more than four hours after the Federal Aviation Administration halted departures across the country, a pause triggered by unstable radar and communications at aging air traffic control centers. It is a reminder that the invisible machinery carrying millions of people through the air depends on decades-old wiring and switches, and that when they falter, ordinary plans dissolve into waiting rooms, rental counters and long drives home. Officials insist no attack was behind it and that lives were never at risk, yet the episode has become an argument about how much a society is willing to pay to repair what it has long taken for granted.
Shortly after 8:30 p.m. Eastern on Friday, November 13, the Federal Aviation Administration quietly posted that its nationwide ground stop had been lifted. The pause had begun around 4 p.m., when the agency ordered every departing aircraft to remain on the ground, citing a safety concern tied to air traffic control. For more than four hours, the country's airports had been frozen, and thousands of travelers were left to find their own way forward.
Transportation Secretary Sean Duffy later explained that instability in radar and communications had first appeared at 3:36 p.m. He traced the problem to an aging analog system whose overloaded switches and routers began returning inconsistent data, which is why the system was shut down. Homeland Security Secretary Markwayne Mullin tried to calm the public, saying the outage was not a safety threat, that no lives or flights were at risk, and that there was no evidence of a cyberattack. Duffy, for his part, used the moment to argue for money: Trump has requested $30 billion for upgrades, and Duffy wants $50 billion, warning that more breakdowns will come without it.
The human cost arrived in small, specific moments. Hundreds queued at Boston Logan to rebook, and Irem Collins faced an unplanned night there after being grounded over the Atlantic. In Michigan, Mousavi Akter's long-planned trip to Istanbul was delayed, while Cliff Cowling, his wife and their daughter gave up on reaching his dying brother in New Zealand and drove home. Sports and politics were tangled up too, with teams and fans stranded ahead of games and gatherings.
Recovery will take time, and Duffy has offered no firm timeline beyond hoping operations return to normal by the Thanksgiving rush. With flights moving again, attention now turns to how quickly airlines can clear the backlog and whether Congress will answer the funding request.
Around 8:30 p.m. Eastern on Friday, Nov. 13, a short notice appeared on the Federal Aviation Administration's website: the FAA Command Center nationwide ground stop had been canceled. It came more than four hours after the stoppage began, and it ended an evening in which many thousands of travelers were stranded in terminals or trying to get home by rental car, Amtrak and bus.
The FAA had announced the ground stop at about 4 p.m., citing extraordinary circumstances and safety concerns tied to an air traffic control issue. Its directive told all departing aircraft to stay on the ground until further notice. Transportation Secretary Sean Duffy later told reporters at the White House that the agency began seeing instability in radar and communications systems at air traffic control centers at 3:36 p.m. He blamed an aging, analog system whose switches and routers became overloaded and started returning inconsistent data. That inconsistency, he said, is why the system was shut down.
Homeland Security Secretary Markwayne Mullin worked to head off alarm. Outside the White House earlier in the day, he said the outage was not a safety threat or another 9/11, and that there was no prior indication of a nefarious attack. After flights resumed, he repeated at the press briefing that the public was never in danger, that no lives or flights were at risk, and that all loved ones were safe. He said there was no evidence of a cyberattack, and that President Donald Trump has declared the air traffic control failures a national emergency. Microsoft separately posted on X that it had no indication the ground stop was related to its services, after a worldwide Microsoft outage that stabilized Friday following more than 24 hours.
Duffy used the moment to press for money. He pointed to earlier isolated breakdowns in New York and Newark and said more will come unless Congress and the public insist on a rebuild. Trump has asked Congress for $30 billion to upgrade the system; Duffy said he wants $50 billion. Mullin put it bluntly: this is what happens when Congress kicks the can down the road.
Recovery will not be instant. Duffy said it will take some time to restore flights to capacity and gave no timeline for normal schedules, though he expected operations to be running by the Thanksgiving rush; the holiday falls on Nov. 26. Robert W. Mann Jr., an airline consultant and former airline executive, said the longer the ground stop, the longer the recovery, noting that equipment and crews were out of position and some crews had timed out. He said the day was effectively done and airlines should focus on resetting for the weekend. Derek Cann of Going advised rebooking travelers to choose the earliest flight of the day and nonstops to avoid knock-on delays.
The disruption played out in individual lives. At Boston Logan, hundreds waited in line to rebook with JetBlue; Irem Collins, who was over the Atlantic returning from Istanbul when the grounding hit, faced an unplanned night in Boston before heading home to Florida. In Michigan, Mousavi Akter of Ann Arbor, with an 8- and a 3-year-old, saw the start of a year-in-the-making, four-week trip to Istanbul delayed at least two hours. Cliff Cowling, his wife Monica and their 10-year-old daughter had moved their trip up two days to spend more time with Cliff's dying brother in New Zealand. After a three-hour drive to the airport, they learned they could not leave until Sunday and went home to Coldwater, Michigan. In Philadelphia, passenger Mills Chapman said the episode "could be worse."
The stoppage also reached sports and politics. Texas and Tennessee football teams were grounded ahead of games against LSU and Texas A&M, while Alabama was busing to Nashville to face Vanderbilt. Lions fans heading to Munich for the Nov. 15 game against the Patriots, including Randall Woodard, 49, were left uncertain. At a Democratic post-election gathering in Denver, Rep. Ro Khanna said he was told flights would leave at 10 p.m. and then that they were canceled, and former Transportation Secretary Pete Buttigieg offered to help people rebook from the hotel bar.
With flights moving again, the questions turn to how quickly airlines can untangle the backlog and whether Congress acts on the funding request.
Citações Notáveis
What we have is an incredibly old air traffic control system.— Transportation Secretary Sean Duffy
The public was never at danger through this process. All your loved ones are safe.— Homeland Security Secretary Markwayne Mullin
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