AA 3590 then OO 9912 at O'Hare
Nashville → Chicago → Richmond
Timetable, Chicago time
08:35AA 3590 from Nashville at the gate
07:30OO 9912 to Richmond leaves the gate
22 h 55 apart on the timetable, overnight
OO 9912 leaves 22 h 55 after AA 3590 arrives on the timetable: more than half a day, so not a connection we count.