AA 619 then ET 3511 at O'Hare
Punta Cana → Chicago → Muscat
Timetable, Chicago time
19:30AA 619 from Punta Cana at the gate
09:05ET 3511 to Muscat leaves the gate
13 h 35 apart on the timetable, overnight
ET 3511 leaves 13 h 35 after AA 619 arrives on the timetable: more than half a day, so not a connection we count.