AA 2564 then UA 3916 at O'Hare
Los Angeles → Chicago → New Orleans
Timetable, Chicago time
12:21AA 2564 from Los Angeles at the gate
07:00UA 3916 to New Orleans leaves the gate
18 h 39 apart on the timetable, overnight
UA 3916 leaves 18 h 39 after AA 2564 arrives on the timetable: more than half a day, so not a connection we count.