AA 4047 then UA 3018 at O'Hare
Richmond → Chicago → Newark
Timetable, Chicago time
19:00AA 4047 from Richmond at the gate
07:30UA 3018 to Newark leaves the gatealso UA 3910
12 h 30 apart on the timetable, overnight
UA 3018 leaves 12 h 30 after AA 4047 arrives on the timetable: more than half a day, so not a connection we count.