AA 2155 then UA 3916 at O'Hare
Hartford → Chicago → New Orleans
Timetable, Chicago time
14:10AA 2155 from Hartford at the gate
07:00UA 3916 to New Orleans leaves the gate
16 h 50 apart on the timetable, overnight
UA 3916 leaves 16 h 50 after AA 2155 arrives on the timetable: more than half a day, so not a connection we count.