DL 835 then DL 5227 at Atlanta
Salt Lake City → Atlanta → Roanoke
Timetable, Atlanta time
15:36DL 835 from Salt Lake City at the gate
13:23DL 5227 to Roanoke leaves the gate
21 h 47 apart on the timetable, overnight
DL 5227 leaves 21 h 47 after DL 835 arrives on the timetable: more than half a day, so not a connection we count.