F9 3241 then AA 2712 at DFW
Chicago O'Hare → Dallas-Fort Worth → St Louis
Timetable, Dallas-Fort Worth time
13:23F9 3241 from Chicago O'Hare at the gate
12:18AA 2712 to St Louis leaves the gate
22 h 55 apart on the timetable, overnight
AA 2712 leaves 22 h 55 after F9 3241 arrives on the timetable: more than half a day, so not a connection we count.