DL 5161 then DL 955 at Atlanta
Montgomery → Atlanta → Las Vegas
Timetable, Atlanta time
20:35DL 5161 from Montgomery at the gate
19:21DL 955 to Las Vegas leaves the gate
22 h 46 apart on the timetable, overnight
DL 955 leaves 22 h 46 after DL 5161 arrives on the timetable: more than half a day, so not a connection we count.