DL 466 then DL 3020 at Atlanta
Las Vegas → Atlanta → Memphis
Timetable, Atlanta time
20:33DL 466 from Las Vegas at the gate
19:59DL 3020 to Memphis leaves the gate
23 h 26 apart on the timetable, overnight
DL 3020 leaves 23 h 26 after DL 466 arrives on the timetable: more than half a day, so not a connection we count.