DL 1668 then DL 834 at Atlanta
Indianapolis → Atlanta → Las Vegas
Timetable, Atlanta time
22:00DL 1668 from Indianapolis at the gate
21:52DL 834 to Las Vegas leaves the gate
23 h 52 apart on the timetable, overnight
DL 834 leaves 23 h 52 after DL 1668 arrives on the timetable: more than half a day, so not a connection we count.