AA 3584 then G7 3376 at O'Hare
Springfield Branson National → Chicago → St Louis
Timetable, Chicago time
12:22AA 3584 from Springfield Branson National at the gate
11:00G7 3376 to St Louis leaves the gate
22 h 38 apart on the timetable, overnight
G7 3376 leaves 22 h 38 after AA 3584 arrives on the timetable: more than half a day, so not a connection we count.