DL 748 then DL 1473 at Atlanta
Las Vegas → Atlanta → Greensboro
Timetable, Atlanta time
19:24DL 748 from Las Vegas at the gate
19:10DL 1473 to Greensboro leaves the gate
23 h 46 apart on the timetable, overnight
DL 1473 leaves 23 h 46 after DL 748 arrives on the timetable: more than half a day, so not a connection we count.