AA 619 then G7 3376 at O'Hare
Punta Cana → Chicago → St Louis
Timetable, Chicago time
19:27AA 619 from Punta Cana at the gate
11:00G7 3376 to St Louis leaves the gate
15 h 33 apart on the timetable, overnight
G7 3376 leaves 15 h 33 after AA 619 arrives on the timetable: more than half a day, so not a connection we count.