Overview
- The FAA lifted a nationwide ground stop late Friday after more than four hours of halted departures and resumed limited departures at about 8:15 p.m. Eastern time.
- Analysts report roughly 10,000–11,000 flights were delayed and thousands more were canceled or diverted, affecting an estimated 1.5 million passengers and disrupting sports teams, cargo and holiday travel plans.
- Transportation Secretary Sean Duffy blamed overloaded legacy switches, routers and copper lines for intermittent communications and radar gaps that prompted the safety pause.
- Homeland Security officials said there is no current sign of a nefarious cyberattack or AI‑driven incident while contractors tied to the FAA’s SMART AI rollout have denied that their product caused the outage.
- Officials warned airlines will need days to recover as aircraft and crews are repositioned and called for substantially more investment to replace aging telecommunications systems that route en‑route traffic.