AA 2847 then AA 1597 at Philadelphia
Indianapolis → Philadelphia → Charleston (South Carolina)
Timetable, Philadelphia time
09:22AA 2847 from Indianapolis at the gate
21:49AA 1597 to Charleston (South Carolina) leaves the gate
12 h 27 apart on the timetable
AA 1597 leaves 12 h 27 after AA 2847 arrives on the timetable: more than half a day, so not a connection we count.