AA 656 then AA 1173 at Miami
Dallas-Fort Worth → Miami → Nashville
Timetable, Miami time
14:14AA 656 from Dallas-Fort Worth at the gate
21:19AA 1173 to Nashville leaves the gate
7 h 05 apart on the timetable
The last days
AA 656 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.