DL 1206 then DL 834 at Atlanta
Milwaukee → Atlanta → Las Vegas
Timetable, Atlanta time
21:53DL 1206 from Milwaukee at the gate
21:52DL 834 to Las Vegas leaves the gate
23 h 59 apart on the timetable, overnight
DL 834 leaves 23 h 59 after DL 1206 arrives on the timetable: more than half a day, so not a connection we count.