AA 985 then UA 3916 at O'Hare
Phoenix → Chicago → New Orleans
Timetable, Chicago time
13:40AA 985 from Phoenix at the gate
07:00UA 3916 to New Orleans leaves the gate
17 h 20 apart on the timetable, overnight
UA 3916 leaves 17 h 20 after AA 985 arrives on the timetable: more than half a day, so not a connection we count.