AA 4504 then UA 1630 at O'Hare
South Bend → Chicago → Newark
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
16:40UA 1630 to Newark leaves the gate
22 h 05 apart on the timetable, overnight
UA 1630 leaves 22 h 05 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.