AA 1457 then AA 1173 at Miami
Puerto Plata → Miami → Nashville
Timetable, Miami time
15:31AA 1457 from Puerto Plata at the gate
20:34AA 1173 to Nashville leaves the gate
5 h 03 apart on the timetable
The last days
AA 1457 and AA 1173 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.