AA 2544 then AA 3040 at Charlotte
Columbus (Ohio) → Charlotte → Pittsburgh
Timetable, Charlotte time
20:19AA 2544 from Columbus (Ohio) at the gate
19:35AA 3040 to Pittsburgh leaves the gate
23 h 16 apart on the timetable, overnight
AA 3040 leaves 23 h 16 after AA 2544 arrives on the timetable: more than half a day, so not a connection we count.