AA 3449 then G7 3376 at O'Hare
Fargo → Chicago → St Louis
Timetable, Chicago time
15:04AA 3449 from Fargo at the gate
11:00G7 3376 to St Louis leaves the gate
19 h 56 apart on the timetable, overnight
G7 3376 leaves 19 h 56 after AA 3449 arrives on the timetable: more than half a day, so not a connection we count.