AA 4504 then UA 606 at O'Hare
South Bend → Chicago → Newark
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
11:56UA 606 to Newark leaves the gate
17 h 21 apart on the timetable, overnight
UA 606 leaves 17 h 21 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.