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 4:04 NBC 5 Investigates how a simple ‘twist of lemon' ended up as a federal case in a Chicago courtroom 1:46 Safety concerns mount after woman shot during busy weekend in downtown Chicago 2:02 Thanksgiving travel expected to set a record in 2024 1:40 Teen killed in Little Village shooting 1:38 Woman shot near Macy's on State Street in downtown Chicago