AA 4545 then G7 3376 at O'Hare
Tulsa → Chicago → St Louis
Timetable, Chicago time
20:05AA 4545 from Tulsa at the gate
11:00G7 3376 to St Louis leaves the gate
14 h 55 apart on the timetable, overnight
G7 3376 leaves 14 h 55 after AA 4545 arrives on the timetable: more than half a day, so not a connection we count.