UA 2226 then AA 9912 at O'Hare
Ontario → Chicago → Richmond
Timetable, Chicago time
13:04UA 2226 from Ontario at the gate
07:30AA 9912 to Richmond leaves the gate
18 h 26 apart on the timetable, overnight
AA 9912 leaves 18 h 26 after UA 2226 arrives on the timetable: more than half a day, so not a connection we count.