DM 2100 then AA 837 at Miami
Santo Domingo → Miami → Havana
Timetable, Miami time
12:39DM 2100 from Santo Domingo at the gate
12:14AA 837 to Havana leaves the gate
23 h 35 apart on the timetable, overnight
AA 837 leaves 23 h 35 after DM 2100 arrives on the timetable: more than half a day, so not a connection we count.