AA 662 then AA 6470 at Charlotte
Puerto Plata → Charlotte → Knoxville
Timetable, Charlotte time
19:15AA 662 from Puerto Plata at the gate
16:20AA 6470 to Knoxville leaves the gate
21 h 05 apart on the timetable, overnight
AA 6470 leaves 21 h 05 after AA 662 arrives on the timetable: more than half a day, so not a connection we count.