FAA Ground Stop: Thousands of Flights Canceled Saturday After Router Overload, No Cyberattack Detected
FAA ground stop halted thousands of flights on Saturday due to overloaded routers installed by L3 Harris; investigators find no cyberattack involved.
POLICY WIRE — Washington, DC — A nationwide FAA ground stop that began on Saturday forced the cancellation of thousands of flights, as officials linked the disruption to overloaded routers installed by L3 Harris in the air‑traffic control system.
The four‑hour stoppage halted operations at major hubs, leaving travelers scrambling to rebook and airlines scrambling to manage the fallout. Investigators have ruled out a cyberattack, citing the router overload as the root cause.
FAA spokespersons say they are reviewing the incident and will update airlines and passengers as more information becomes available. The shutdown, reported by Reuters, CNN and other outlets, highlights long‑standing vulnerabilities in the air‑traffic network.
Reporting by Policy-Wire (PW)



