AA 3720 then UA 3018 at O'Hare
Manchester → Chicago → Newark
Timetable, Chicago time
19:06AA 3720 from Manchester at the gate
07:30UA 3018 to Newark leaves the gatealso UA 3910
12 h 24 apart on the timetable, overnight
UA 3018 leaves 12 h 24 after AA 3720 arrives on the timetable: more than half a day, so not a connection we count.