DL 1147 then OO 9912 at O'Hare
Atlanta → Chicago → Richmond
Timetable, Chicago time
09:22DL 1147 from Atlanta at the gate
07:30OO 9912 to Richmond leaves the gate
22 h 08 apart on the timetable, overnight
OO 9912 leaves 22 h 08 after DL 1147 arrives on the timetable: more than half a day, so not a connection we count.