DL 1147 then AA 9912 at O'Hare
Atlanta → Chicago → Richmond
Timetable, Chicago time
10:25DL 1147 from Atlanta at the gate
07:30AA 9912 to Richmond leaves the gate
21 h 05 apart on the timetable, overnight
AA 9912 leaves 21 h 05 after DL 1147 arrives on the timetable: more than half a day, so not a connection we count.