On November 14, 2026, the FAA implemented a national ground stop due to a telecommunications outage, which disrupted over 10,000 flights. The FAA did not clarify the cause, leading to speculation about connections to a new AI system or other outages. Reports indicate that the issue may have originated from network routers at Chicago's Midway airport. Homeland Security Secretary Markwayne Mullin stated that operations were improving, but the timeline for full resolution remains unclear.
Key facts
- FAA issued a national ground stop on November 14, 2026.
- The cause was described as a telecommunications outage.
- Over 10,000 flights were disrupted due to the incident.
- The problem may have originated from network routers at Midway airport.
- Homeland Security Secretary Markwayne Mullin reported improving operations.
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