AA 3129 then AA 3040 at Charlotte
Jacksonville → Charlotte → Pittsburgh
Timetable, Charlotte time
19:45AA 3129 from Jacksonville at the gate
19:35AA 3040 to Pittsburgh leaves the gate
23 h 50 apart on the timetable, overnight
AA 3040 leaves 23 h 50 after AA 3129 arrives on the timetable: more than half a day, so not a connection we count.