OO 225 then DL 1147 at O'Hare
Richmond → Chicago → Atlanta
Timetable, Chicago time
11:48OO 225 from Richmond at the gate
10:32DL 1147 to Atlanta leaves the gate
22 h 44 apart on the timetable, overnight
DL 1147 leaves 22 h 44 after OO 225 arrives on the timetable: more than half a day, so not a connection we count.