AA 4504 then UA 1332 at O'Hare
South Bend → Chicago → New York LaGuardia
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
11:59UA 1332 to New York LaGuardia leaves the gate
17 h 24 apart on the timetable, overnight
UA 1332 leaves 17 h 24 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.