US Air Traffic System Restored After Nationwide Outage Linked to Fiber Upgrade

A nationwide air traffic control communication failure caused hours of flight disruptions across the US on Saturday, with operations gradually resuming. The Trump administration attributes the incident to a router failure during routine replacement of copper lines with fiber optic, which cascaded into communication and radar problems. The event highlights fragility in critical aviation infrastructure and raises questions about the resilience of modernization efforts.

AI disclosure: Model-written summary of the source, not a verified fact. Check the sources. How Mosaic works