AA 2604 then G7 3376 at O'Hare
Austin → Chicago → St Louis
Timetable, Chicago time
20:03AA 2604 from Austin at the gate
11:00G7 3376 to St Louis leaves the gate
14 h 57 apart on the timetable, overnight
G7 3376 leaves 14 h 57 after AA 2604 arrives on the timetable: more than half a day, so not a connection we count.