AA 3145 then AA 3178 at Charlotte
New Orleans → Charlotte → Chicago O'Hare
Timetable, Charlotte time
17:13AA 3145 from New Orleans at the gate
16:16AA 3178 to Chicago O'Hare leaves the gate
23 h 03 apart on the timetable, overnight
AA 3178 leaves 23 h 03 after AA 3145 arrives on the timetable: more than half a day, so not a connection we count.