AA 864 then AA 2386 at Charlotte
Chicago O'Hare → Charlotte → Cedar Rapids
Timetable, Charlotte time
19:52AA 864 from Chicago O'Hare at the gate
19:40AA 2386 to Cedar Rapids leaves the gate
23 h 48 apart on the timetable, overnight
AA 2386 leaves 23 h 48 after AA 864 arrives on the timetable: more than half a day, so not a connection we count.