AA 5676 then AA 818 at Charlotte
Savannah → Charlotte → Chicago O'Hare
Timetable, Charlotte time
10:00AA 5676 from Savannah at the gate
11:02AA 818 to Chicago O'Hare leaves the gate
1 h 02 apart on the timetable
The last days
AA 5676 and AA 818 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.