Travel September 5, 2023 4:31 pm ‘Systemwide technology issue' led to nationwide ground stop for United Airlines A nationwide ground stop was issued for United Airlines flights Tuesday, just as the long Labor Day weekend travel was coming to an end. Kate Chappell has a recap. Local 1:57 White Sox avoid setting record for worst-ever MLB season with comeback win 2:17 Partner of slain Bradley police sergeant testifies in trial of accused killer 2:29 CPS, CTU aim to finalize new contract amid call for CEO Pedro Martinez to resign 2:13 DuPage County group aims to help first-time voters as election nears 1:52 Museum of Contemporary Art revives ‘Chicago Performs' series