FAA Nationwide Ground Stop Halts US Departures After Telecom Router Overload Disrupts Air Traffic Control
What happened
The Federal Aviation Administration lifted a four-to-five-hour nationwide ground stop on November 13, 2026, after telecommunications instability halted all domestic departures.
The Context
- Infrastructure strain caused the freeze: Air traffic control centers encountered radar and communications data anomalies when legacy network switches and routers overloaded during routine fiber-optic upgrades.
- Airborne flights landed safely: The restriction applied strictly to ground departures between 3:54 p.m. and 8:15 p.m. ET, while planes already aloft continued to their destinations without incident.
- No external interference occurred: Transportation and homeland security officials confirmed the disruption stemmed entirely from internal hardware limits rather than cyber activity.
The Number
flights were canceled across the United States on November 13 alone, leaving business corridors facing severe logistical bottlenecks through the weekend.
Takeaway
Carriers will spend the coming days realigning complex hub schedules and aircraft rotations, with operations projected to stabilize ahead of the Thanksgiving travel window.
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