AA 3129 then AA 5174 at Charlotte
Jacksonville → Charlotte → Dayton
Timetable, Charlotte time
19:45AA 3129 from Jacksonville at the gate
17:42AA 5174 to Dayton leaves the gate
21 h 57 apart on the timetable, overnight
AA 5174 leaves 21 h 57 after AA 3129 arrives on the timetable: more than half a day, so not a connection we count.