AA 1576 then AA 5823 at Charlotte
Jacksonville → Charlotte → Jacksonville (North Carolina)
Timetable, Charlotte time
06:28AA 1576 from Jacksonville at the gate
18:50AA 5823 to Jacksonville (North Carolina) leaves the gate
12 h 22 apart on the timetable
AA 5823 leaves 12 h 22 after AA 1576 arrives on the timetable: more than half a day, so not a connection we count.