FlightsMap of flight route between ORD and STL, created by Paul Bogard’s Flight HistorianPaul Bogard’s Flight HistorianPaul Bogard’s Flight HistorianORD / KORDChicago (O’Hare)STL / KSTLSt. LouisORD-STLChicago (O’Hare) – St. LouisORD / KORDChicago (O’Hare)STL / KSTLSt. Louis