AA 3083 then UA 3018 at O'Hare
Los Angeles → Chicago → Newark
Timetable, Chicago time
17:00AA 3083 from Los Angeles at the gate
07:30UA 3018 to Newark leaves the gatealso UA 3910
14 h 30 apart on the timetable, overnight
UA 3018 leaves 14 h 30 after AA 3083 arrives on the timetable: more than half a day, so not a connection we count.