DL 706 then DL 5227 at Atlanta
Denver → Atlanta → Roanoke
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
13:23DL 5227 to Roanoke leaves the gate
19 h 22 apart on the timetable, overnight
DL 5227 leaves 19 h 22 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.