AA 4178 then AA 2763 at Charlotte
Savannah → Charlotte → Hartford
Timetable, Charlotte time
14:35AA 4178 from Savannah at the gate
21:24AA 2763 to Hartford leaves the gate
6 h 49 apart on the timetable
The last days
AA 4178 and AA 2763 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.