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Airport Chaos Began Long Before the Ground Stop

The FAA ground stop came after updates to an older communication system managed by L3Harris Technologies, Transportation Secretary Sean Duffy said Saturday.

✦ Extractive summary — built from the sources' own reporting•From 6 sources•1 min read•Updated November 14, 2026, 6:32 PM UTC
Key points
  • On the internet, where citizens seem to revel in conspiracism, some people have connected today’s FAA ground stop with yesterday’s Microsoft Outlook outage —and the murky notion that advanced AI models might be responsible for both, and more.
  • Every civilian airplane in the United States has been told not to fly, owing to a nationwide FAA ground stop.
  • Homeland Security Secretary Markwayne Mullin told reporters at a news conference that a cyberattack is unlikely to have caused the ground stop.

Transportation Secretary Sean Duffy said initial investigations pointed to an issue with contractor L3Harris updating old tech at a remote location.

Catch up quick: The FAA initially issued the stop due to "extraordinary circumstances" and "reasons of safety." "The FAA issued a nationwide ground stop for all U.S.

Additional details
  • “For this to be affecting multiple facilities nationwide doesn’t make any sort of sense.” Chicago’s O’Hare International Airport has run out of tarmac space already, causing planes to be diverted elsewhere, the controller added.
  • According to Transportation Secretary Sean Duffy, “a communication issue impacting all Air Route Traffic Control Centers” necessitated the action, which was undertaken for reasons of safety.
  • My son’s flight from Boston to LaGuardia was delayed earlier today, before the ground stop, by weather.
  • Transport Secretary Sean Duffy explained the crisis was due to a failure in ageing telecommunications equipment.
  • Sean Duffy, the country's transportation secretary, said his agency is 'going to hold people accountable'.

How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →

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Every article behind this summary — 6 articles from 6 outlets

CNBCNovember 14, 2026, 6:32 PM UTC → Al JazeeraNovember 14, 2026, 6:02 PM UTC → NPR NewsNovember 14, 2026, 4:53 PM UTC → France 24November 14, 2026, 4:35 PM UTC → AxiosNovember 14, 2026, 2:10 AM UTC → The AtlanticNovember 14, 2026, 12:17 AM UTC →

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