AA 662 then UA 3992 at Charlotte
Puerto Plata → Charlotte → Houston
Timetable, Charlotte time
19:15AA 662 from Puerto Plata at the gate
16:53UA 3992 to Houston leaves the gate
21 h 38 apart on the timetable, overnight
UA 3992 leaves 21 h 38 after AA 662 arrives on the timetable: more than half a day, so not a connection we count.