AA 3340 then G7 3376 at O'Hare
Nashville → Chicago → St Louis
Timetable, Chicago time
12:40AA 3340 from Nashville at the gate
11:00G7 3376 to St Louis leaves the gate
22 h 20 apart on the timetable, overnight
G7 3376 leaves 22 h 20 after AA 3340 arrives on the timetable: more than half a day, so not a connection we count.