AA 5010 then UA 3916 at O'Hare
Cleveland → Chicago → New Orleans
Timetable, Chicago time
11:09AA 5010 from Cleveland at the gate
07:00UA 3916 to New Orleans leaves the gate
19 h 51 apart on the timetable, overnight
UA 3916 leaves 19 h 51 after AA 5010 arrives on the timetable: more than half a day, so not a connection we count.