AA 3538 then AA 2185 at Charlotte
Savannah → Charlotte → Miami
Timetable, Charlotte time
14:15AA 3538 from Savannah at the gate
18:06AA 2185 to Miami leaves the gate
3 h 51 apart on the timetable
The last days
AA 3538 and AA 2185 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.