AA 4988 then UA 3910 at O'Hare
Santa Fe → Chicago → Newark
Timetable, Chicago time
17:21AA 4988 from Santa Fe at the gate
07:30UA 3910 to Newark leaves the gate
14 h 09 apart on the timetable, overnight
UA 3910 leaves 14 h 09 after AA 4988 arrives on the timetable: more than half a day, so not a connection we count.