F9 1596 then DL 3152 at Atlanta
Chicago O'Hare → Atlanta → Richmond
Timetable, Atlanta time
13:32F9 1596 from Chicago O'Hare at the gate
12:36DL 3152 to Richmond leaves the gate
23 h 04 apart on the timetable, overnight
DL 3152 leaves 23 h 04 after F9 1596 arrives on the timetable: more than half a day, so not a connection we count.