Ferocious gusts cripple a critical safety system, leaving hundreds of thousands of travelers in limbo as Chicago battles one of its fiercest wind events in recent memory.
O’Hare Grinds to a Near-Halt
Chicago’s O’Hare International Airport — one of the nation’s busiest air travel hubs — descended into widespread disruption Friday morning after ferocious winds triggered a critical equipment failure, grounding and delaying close to 1,000 flights and stranding untold thousands of travelers mid-journey.
By mid-morning, the Federal Aviation Administration had confirmed that a ground radar outage caused by heavy winds was responsible for the cascading delays. Technicians were deployed to address the problem, but the FAA warned that significant delays were expected to stretch well into the evening — potentially lasting until 9 p.m. or later. The average delay hovered around 84 minutes, according to FAA data, with the FlyChicago website listing more than 900 affected flights as of 10:25 a.m.
The disruption marked another bruising chapter for Chicago’s aviation infrastructure — and for a city already battered by an unusually violent stretch of severe weather.
The System That Failed — and Why It Matters
At the center of the breakdown was the Airport Surface Detection Equipment, widely known in aviation circles as ASDE — a sophisticated ground radar system that air traffic controllers rely on to monitor the precise positions of aircraft on taxiways and runways. The system integrates GPS technology to alert controllers in real time if a plane inadvertently crosses onto an active runway, a scenario that can have catastrophic consequences…