American Airlines cancels nearly all departures from O'Hare before 9 a.m. (Photo: Flight Tracker)
Passengers line up after ground stop at O'Hare International Airport. (Ravi Baichwal)
Passengers line up after ground stop at O'Hare International Airport. (Ravi Baichwal)
Flights canceled or delayed at O'Hare International Airport. (Ravi Baichwal)
About 1,400 flights at O'Hare and 400 flights at Midway airport were canceled on Friday after a fire at an FAA facility. (WLS)
Fireactivity at the regional FAA facility in Aurora forced a ground stop at O'Hare, Midway and other local airports Friday morning. (WLS Photo)
Fireactivity at the regional FAA facility in Aurora forced a ground stop at O'Hare, Midway and other local airports Friday morning. (WLS Photo)
Fireactivity at the regional FAA facility in Aurora forced a ground stop at O'Hare, Midway and other local airports Friday morning. (WLS Photo)
Fireactivity at the regional FAA facility in Aurora forced a ground stop at O'Hare, Midway and other local airports Friday morning. (WLS Photo)
Fireactivity at the regional FAA facility in Aurora forced a ground stop at O'Hare, Midway and other local airports Friday morning. (WLS Photo)
FAA employees wait outside Chicago Air Route Traffic Control Center in Aurora. (Tanja Babich)
Fireactivity at the regional FAA facility in Aurora forced a ground stop at O'Hare, Midway and other local airports Friday morning. (WLS Photo)
Fireactivity at the regional FAA facility in Aurora forced a ground stop at O'Hare, Midway and other local airports Friday morning. (WLS Photo)
Fireactivity at the regional FAA facility in Aurora forced a ground stop at O'Hare, Midway and other local airports Friday morning. (WLS Photo)