AA 5316 then UA 3916 at O'Hare
Louisville → Chicago → New Orleans
Timetable, Chicago time
13:57AA 5316 from Louisville at the gate
07:00UA 3916 to New Orleans leaves the gate
17 h 03 apart on the timetable, overnight
UA 3916 leaves 17 h 03 after AA 5316 arrives on the timetable: more than half a day, so not a connection we count.