AA 3129 then AA 2386 at Charlotte
Jacksonville → Charlotte → Cedar Rapids
Timetable, Charlotte time
19:45AA 3129 from Jacksonville at the gate
19:40AA 2386 to Cedar Rapids leaves the gate
23 h 55 apart on the timetable, overnight
AA 2386 leaves 23 h 55 after AA 3129 arrives on the timetable: more than half a day, so not a connection we count.