Mysterious Power Outage Hits Chicago's O'Hare International Airport A sudden and unexplained power outage has left thousands of travelers stranded at Chicago's O'Hare International Airport. According to reports, the blackout affected multiple terminals, causing flights to be delayed or grounded. The cause of the outage remains unknown, sparking concerns about the airport's infrastructure and emergency preparedness. As the investigation into the incident continues, passengers and airport officials are left wondering what led to this sudden disruption.