UA 1875 then AA 9912 at O'Hare
Newark → Chicago → Richmond
Timetable, Chicago time
13:09UA 1875 from Newark at the gate
07:30AA 9912 to Richmond leaves the gate
18 h 21 apart on the timetable, overnight
AA 9912 leaves 18 h 21 after UA 1875 arrives on the timetable: more than half a day, so not a connection we count.