AA 3970 then UA 3018 at O'Hare
Wilmington → Chicago → Newark
Timetable, Chicago time
13:51AA 3970 from Wilmington at the gate
07:30UA 3018 to Newark leaves the gatealso UA 3910
17 h 39 apart on the timetable, overnight
UA 3018 leaves 17 h 39 after AA 3970 arrives on the timetable: more than half a day, so not a connection we count.