AA 2142 then DM 2105 at Miami
Seattle → Miami → Santo Domingo
Timetable, Miami time
06:00AA 2142 from Seattle at the gate
18:55DM 2105 to Santo Domingo leaves the gate
12 h 55 apart on the timetable
DM 2105 leaves 12 h 55 after AA 2142 arrives on the timetable: more than half a day, so not a connection we count.