AA 549 then AA 2015 at Charlotte
Richmond → Charlotte → Philadelphia
Timetable, Charlotte time
06:18AA 549 from Richmond at the gate
13:11AA 2015 to Philadelphia leaves the gate
6 h 53 apart on the timetable
The last days
AA 549 and AA 2015 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.