AA 6486 then UA 5745 at O'Hare
Detroit → Chicago → New Orleans
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
14:10UA 5745 to New Orleans leaves the gate
20 h 41 apart on the timetable, overnight
UA 5745 leaves 20 h 41 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.