AA 4337 then UA 3916 at O'Hare
Indianapolis → Chicago → New Orleans
Timetable, Chicago time
11:53AA 4337 from Indianapolis at the gate
07:00UA 3916 to New Orleans leaves the gate
19 h 07 apart on the timetable, overnight
UA 3916 leaves 19 h 07 after AA 4337 arrives on the timetable: more than half a day, so not a connection we count.