AA 1856 then MQ 931 at Miami
Santo Domingo → Miami → Detroit
Timetable, Miami time
12:52AA 1856 from Santo Domingo at the gate
15:40MQ 931 to Detroit leaves the gate
2 h 48 apart on the timetable
The last days
AA 1856 and MQ 931 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.