AA 2174 then AA 2410 at Charlotte
Chicago O'Hare → Charlotte → Puerto Plata
Timetable, Charlotte time
16:30AA 2174 from Chicago O'Hare at the gate
11:28AA 2410 to Puerto Plata leaves the gate
18 h 58 apart on the timetable, overnight
AA 2410 leaves 18 h 58 after AA 2174 arrives on the timetable: more than half a day, so not a connection we count.