AA 9782 then AA 1574 at Miami
Columbus (Ohio) → Miami → Santo Domingo
Timetable, Miami time
01:14AA 9782 from Columbus (Ohio) at the gate
18:19AA 1574 to Santo Domingo leaves the gate
17 h 05 apart on the timetable
AA 1574 leaves 17 h 05 after AA 9782 arrives on the timetable: more than half a day, so not a connection we count.