AA 2329 then DL 3158 at Charlotte
Pittsburgh → Charlotte → Atlanta (ATL)
Timetable, Charlotte time
07:39AA 2329 from Pittsburgh at the gate
20:03DL 3158 to Atlanta (ATL) leaves the gate
12 h 24 apart on the timetable
DL 3158 leaves 12 h 24 after AA 2329 arrives on the timetable: more than half a day, so not a connection we count.