AA 6596 then AA 1597 at Philadelphia
Trenton → Philadelphia → Charleston (South Carolina)
Timetable, Philadelphia time
07:40AA 6596 from Trenton at the gate
21:15AA 1597 to Charleston (South Carolina) leaves the gate
13 h 35 apart on the timetable
AA 1597 leaves 13 h 35 after AA 6596 arrives on the timetable: more than half a day, so not a connection we count.