DL 706 then DL 1214 at Atlanta
Denver → Atlanta → Richmond
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
14:41DL 1214 to Richmond leaves the gate
20 h 40 apart on the timetable, overnight
DL 1214 leaves 20 h 40 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.