AA 619 then K4 221 at O'Hare
Punta Cana → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
19:30AA 619 from Punta Cana at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
15 h 05 apart on the timetable, overnight
K4 221 leaves 15 h 05 after AA 619 arrives on the timetable: more than half a day, so not a connection we count.