AA 359 then AA 836 at Charlotte
Boston → Charlotte → Richmond
Timetable, Charlotte time
18:02AA 359 from Boston at the gate
21:47AA 836 to Richmond leaves the gate
3 h 45 apart on the timetable
The last days
AA 359 and AA 836 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.