AA 662 then AA 6120 at Charlotte
Puerto Plata → Charlotte → Harrisburg
Timetable, Charlotte time
19:15AA 662 from Puerto Plata at the gate
16:50AA 6120 to Harrisburg leaves the gate
21 h 35 apart on the timetable, overnight
AA 6120 leaves 21 h 35 after AA 662 arrives on the timetable: more than half a day, so not a connection we count.