AA 2208 then G7 3378 at O'Hare
St Louis → Chicago → Richmond
Timetable, Chicago time
12:59AA 2208 from St Louis at the gate
08:30G7 3378 to Richmond leaves the gate
19 h 31 apart on the timetable, overnight
G7 3378 leaves 19 h 31 after AA 2208 arrives on the timetable: more than half a day, so not a connection we count.