AA 2376 then AA 5587 at Charlotte
Detroit → Charlotte → Savannah
Timetable, Charlotte time
15:34AA 2376 from Detroit at the gate
16:21AA 5587 to Savannah leaves the gate
47 min apart on the timetable
The last days
AA 2376 and AA 5587 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.