AA 662 then AA 1486 at Charlotte
Puerto Plata → Charlotte → Buffalo
Timetable, Charlotte time
19:15AA 662 from Puerto Plata at the gate
17:14AA 1486 to Buffalo leaves the gate
21 h 59 apart on the timetable, overnight
AA 1486 leaves 21 h 59 after AA 662 arrives on the timetable: more than half a day, so not a connection we count.