AA 4922 then G7 3376 at O'Hare
Pittsburgh → Chicago → St Louis
Timetable, Chicago time
12:23AA 4922 from Pittsburgh at the gate
11:00G7 3376 to St Louis leaves the gate
22 h 37 apart on the timetable, overnight
G7 3376 leaves 22 h 37 after AA 4922 arrives on the timetable: more than half a day, so not a connection we count.