AA 1799 then AA 987 at Miami
Austin → Miami → Santo Domingo
Timetable, Miami time
08:40AA 1799 from Austin at the gate
11:23AA 987 to Santo Domingo leaves the gate
2 h 43 apart on the timetable
The last days
AA 1799 and AA 987 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.