# Root cause of nationwide ground stop still unknown, Duffy says

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6 outlets covering · First listed: Washington Examiner, Nov 15, 2026, 11:35 AM · Read it: <https://www.washingtonexaminer.com/policy/infrastructure/4804173/cause-of-nationwide-ground-stop-sean-duffy/>

Transportation Secretary Sean Duffy said Sunday that the root cause of Friday’s nationwide ground stop is still undetermined but that federal investigators have “no indication” that a hack was behind the communications glitch. Duffy said on ABC’s This Week that President Donald Trump brought together a “whole-of-government approach,” adding agencies and officials like the director

## Who's covering it

In the order they published:

- Nov 14, 2026, 12:32 PM: [What to know about flights after the U.S. nationwide ground stop](<https://www.pbs.org/newshour/nation/what-to-know-about-flights-after-the-u-s-nationwide-ground-stop>) — PBS NewsHour (Public broadcaster, United States, rated Lean left)
  The longest flight stoppage in 25 years ended around 8:15 p.m. ET Friday, allowing some domestic flights to take off from U.S. airports. Officials expected a full recovery by Sunday.
- Nov 14, 2026, 1:18 PM: [What we know about the cause of the nationwide FAA ground stop \| CNN Politics](<https://news.google.com/rss/articles/CBMifEFVX3lxTFBMU2JBX2RRWEVnQ2JTSjYxWFRSajV1QU5mVmE3TmJHcW1VeDRiYWpEd0NXb1BoX0VUOU00Nll4ZFlXRm5LY3ZxR3dqNGdDRWdMSXhSelIzTnRmU2xTNmFqNlA2WFRraVJIUFJydmRFVGQ3OTVtX3Bwcm1qdzE?oc=5>) — CNN (TV network, United States, rated Lean left)
- Nov 14, 2026, 4:54 PM: ['Root cause’ of nationwide ground stop is unknown, FAA says](<https://www.cnbc.com/2026/11/14/root-cause-of-nationwide-ground-stop-is-unknown-faa-says.html>) — CNBC (Business & finance, United States, rated Center)
  Routers and networking equipment may be involved in the problems that led to the ground stop, but a definitive cause has not been established, officials said.
- Nov 15, 2026, 10:54 AM: [What to know about flights after the US nationwide ground stop](<https://news.google.com/rss/articles/CBMikgFBVV95cUxPbllWRHp3cmxNbThYelRDekVJQjFlUGxCcjU3ckVtZ21RaUdwVnNxclNFdXZsOWFzRE5MSWlKUUoydGt6c3ItZ19xdVdVV2FMdGR1RFVHbldTZFEwNWtjMExHNTVEV0syck1ueGpPWlJOTVE3Q3EwYk1iaDhhdG1sZDlMWVRGbklqaDJnVFk2MmxaQQ?oc=5>) — AP (Wire service, United States, rated Center)
- Nov 15, 2026, 11:35 AM: [Root cause of nationwide ground stop still unknown, Duffy says](<https://www.washingtonexaminer.com/policy/infrastructure/4804173/cause-of-nationwide-ground-stop-sean-duffy/>) — Washington Examiner (Magazine, United States, rated Lean right)
  Transportation Secretary Sean Duffy said Sunday that the root cause of Friday’s nationwide ground stop is still undetermined but that federal investigators have “no indication” that a hack was behind the communications glitch. Duffy said on ABC’s This Week that President Donald Trump brought together a “whole-of-government approach,” adding agencies and officials like the director
- Nov 15, 2026, 12:03 PM: [What to know about flights after the U.S. nationwide ground stop](<https://www.latimes.com/world-nation/story/2026-11-15/what-to-know-about-flights-after-u-s-nationwide-ground-stop>) — Los Angeles Times (Newspaper, United States, rated Lean left)
  U.S. air travel operations are still recovering after the nationwide ground stop.