AA 4504 then UA 5532 at O'Hare
South Bend → Chicago → Traverse City
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
17:45UA 5532 to Traverse City leaves the gate
23 h 10 apart on the timetable, overnight
UA 5532 leaves 23 h 10 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.