AA 4504 then UA 2650 at O'Hare
South Bend → Chicago → Newark
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
15:36UA 2650 to Newark leaves the gate
21 h 01 apart on the timetable, overnight
UA 2650 leaves 21 h 01 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.