AA 4712 then AA 475 at JFK
Nashville → New York → Miami
Timetable, New York time
12:19AA 4712 from Nashville at the gate
17:33AA 475 to Miami leaves the gate
5 h 14 apart on the timetable
The last days
AA 4712 and AA 475 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.