AA 3004 then LF 8530 at Charlotte
Miami → Charlotte → Nashville
Timetable, Charlotte time
08:25AA 3004 from Miami at the gate
09:00LF 8530 to Nashville leaves the gate
35 min apart on the timetable
The last days
AA 3004 and LF 8530 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.