AA 3402 then G7 3376 at O'Hare
Lansing → Chicago → St Louis
Timetable, Chicago time
16:30AA 3402 from Lansing at the gate
11:00G7 3376 to St Louis leaves the gate
18 h 30 apart on the timetable, overnight
G7 3376 leaves 18 h 30 after AA 3402 arrives on the timetable: more than half a day, so not a connection we count.