AA 2590 then UA 3018 at O'Hare
Santa Ana → Chicago → Newark
Timetable, Chicago time
15:03AA 2590 from Santa Ana at the gate
07:30UA 3018 to Newark leaves the gatealso UA 3910
16 h 27 apart on the timetable, overnight
UA 3018 leaves 16 h 27 after AA 2590 arrives on the timetable: more than half a day, so not a connection we count.