G7 3375 then AA 6247 at O'Hare
St Louis → Chicago → Columbus (Ohio)
Timetable, Chicago time
17:47G7 3375 from St Louis at the gate
10:36AA 6247 to Columbus (Ohio) leaves the gate
16 h 49 apart on the timetable, overnight
AA 6247 leaves 16 h 49 after G7 3375 arrives on the timetable: more than half a day, so not a connection we count.