AA 3336 then AA 6120 at Charlotte
Greensboro → Charlotte → Harrisburg
Timetable, Charlotte time
09:44AA 3336 from Greensboro at the gate
16:50AA 6120 to Harrisburg leaves the gate
7 h 06 apart on the timetable
The last days
AA 3336 and AA 6120 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.