DL 2944 then DL 5227 at Atlanta
Columbia → Atlanta → Roanoke
Timetable, Atlanta time
15:08DL 2944 from Columbia at the gate
13:23DL 5227 to Roanoke leaves the gate
22 h 15 apart on the timetable, overnight
DL 5227 leaves 22 h 15 after DL 2944 arrives on the timetable: more than half a day, so not a connection we count.