UA 454 then AA 9912 at O'Hare
Orlando → Chicago → Richmond
Timetable, Chicago time
09:08UA 454 from Orlando at the gate
07:30AA 9912 to Richmond leaves the gate
22 h 22 apart on the timetable, overnight
AA 9912 leaves 22 h 22 after UA 454 arrives on the timetable: more than half a day, so not a connection we count.