AA 3248 then AA 1597 at Philadelphia
Pittsburgh → Philadelphia → Charleston (South Carolina)
Timetable, Philadelphia time
09:44AA 3248 from Pittsburgh at the gate
21:49AA 1597 to Charleston (South Carolina) leaves the gate
12 h 05 apart on the timetable
AA 1597 leaves 12 h 05 after AA 3248 arrives on the timetable: more than half a day, so not a connection we count.