DL 516 then DL 4628 at Atlanta
Dallas → Atlanta → Roanoke
Timetable, Atlanta time
09:15DL 516 from Dallas at the gate
08:58DL 4628 to Roanoke leaves the gate
23 h 43 apart on the timetable, overnight
DL 4628 leaves 23 h 43 after DL 516 arrives on the timetable: more than half a day, so not a connection we count.