AA 4178 then AA 2402 at Charlotte
Savannah → Charlotte → Nashville
Timetable, Charlotte time
14:35AA 4178 from Savannah at the gate
19:15AA 2402 to Nashville leaves the gate
4 h 40 apart on the timetable
The last days
AA 4178 and AA 2402 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.