AA 1952 then AA 818 at Charlotte
Oklahoma City → Charlotte → Chicago O'Hare
Timetable, Charlotte time
11:25AA 1952 from Oklahoma City at the gate
11:02AA 818 to Chicago O'Hare leaves the gate
23 h 37 apart on the timetable, overnight
AA 818 leaves 23 h 37 after AA 1952 arrives on the timetable: more than half a day, so not a connection we count.