AA 1162 then DL 2174 at Atlanta
Chicago O'Hare → Atlanta → Charleston (South Carolina)
Timetable, Atlanta time
15:34AA 1162 from Chicago O'Hare at the gate
15:15DL 2174 to Charleston (South Carolina) leaves the gate
23 h 41 apart on the timetable, overnight
DL 2174 leaves 23 h 41 after AA 1162 arrives on the timetable: more than half a day, so not a connection we count.