AA 574 then AA 487 at Miami
Charlotte → Miami → Nashville
Timetable, Miami time
13:09AA 574 from Charlotte at the gate
14:30AA 487 to Nashville leaves the gate
1 h 21 apart on the timetable
The last days
AA 574 and AA 487 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.