DL 3734 then DL 919 at Atlanta
Jacksonville (North Carolina) → Atlanta → Las Vegas
Timetable, Atlanta time
20:24DL 3734 from Jacksonville (North Carolina) at the gate
18:20DL 919 to Las Vegas leaves the gate
21 h 56 apart on the timetable, overnight
DL 919 leaves 21 h 56 after DL 3734 arrives on the timetable: more than half a day, so not a connection we count.