AA 2174 then AA 5875 at Charlotte
Chicago O'Hare → Charlotte → Greensboro
Timetable, Charlotte time
16:30AA 2174 from Chicago O'Hare at the gate
11:10AA 5875 to Greensboro leaves the gate
18 h 40 apart on the timetable, overnight
AA 5875 leaves 18 h 40 after AA 2174 arrives on the timetable: more than half a day, so not a connection we count.