A severe round of heavy rain and thunderstorms swept through the Chicago area on Saturday morning, disrupting air travel and forcing a temporary ground stop at Midway International Airport. The Federal Aviation Administration confirmed the ground stop began at 8:48 a.m., halting departures and arrivals, and was initially expected to be lifted by 10 a.m. While O’Hare International Airport was not placed under a formal ground stop, travelers still faced long waits and significant disrupti