All flights across the U.S. halted... Four days after the announcement of AI tool expansion

The U.S. Federal Aviation Administration issued a nationwide ground stop for departing flights early on the 14th (Korea time) after a communications failure at an air traffic control center, halting departures without ordering in-flight aircraft to land. Homeland Security Secretary Markwayne Mullin said there was no sign of a malicious attack and characterized the incident as a communications disruption. Investigators will examine whether the nationwide expansion of AI tools, announced four days earlier, is connected to the outage, according to AP. The halt affects departure scheduling across U.S. airports rather than individual flight delays or cancellations. What to watch next is whether the FAA attributes the failure to the AI rollout or to separate communications infrastructure, and how long the ground stop persists.