American Airlines flights grounded nationwide for tech issue

A “technology issue” grounded American Airlines flights across the country on Tuesday, according to the company. It was unclear how many flights at Chicago’s airports were impacted, with average delays sitting around a half hour. A ground stop was temporarily issued by the Federal Aviation Administration just for the airline. “Systems are coming back online now and flights are departing again,” the company said on social media. “We apologize to our customers for the inconvenience.” At O’Hare…