AA 4372 then AA 873 at Philadelphia
Louisville → Philadelphia → Raleigh-Durham
Timetable, Philadelphia time
13:05AA 4372 from Louisville at the gate
19:41AA 873 to Raleigh-Durham leaves the gate
6 h 36 apart on the timetable
The last days
AA 4372 and AA 873 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.