A United flight returned to Chicago shortly after takeoff . The plane was carrying about 100 people from the University of Illinois at Urbana-Champaign and a group of students who were on their way home for spring break. CNN 's Shawn Nottingham and Thom Patterson contributed to this report . No one was transported to a hospital .
A United flight returned to Chicago shortly after takeoff . The plane was carrying about 100 people from the University of Illinois at Urbana-Champaign and a group of students who were on their way home for spring break. No one was transported to a hospital .