AA 1623 then AA 5587 at Charlotte
Denver → Charlotte → Savannah
Timetable, Charlotte time
11:37AA 1623 from Denver at the gate
16:21AA 5587 to Savannah leaves the gate
4 h 44 apart on the timetable
The last days
AA 1623 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.