DL 2976 then DL 5227 at Atlanta
Austin → Atlanta → Roanoke
Timetable, Atlanta time
14:10DL 2976 from Austin at the gate
13:23DL 5227 to Roanoke leaves the gate
23 h 13 apart on the timetable, overnight
DL 5227 leaves 23 h 13 after DL 2976 arrives on the timetable: more than half a day, so not a connection we count.