DL 927 then DL 836 at Atlanta
Las Vegas → Atlanta → Phoenix
Timetable, Atlanta time
16:40DL 927 from Las Vegas at the gate
16:25DL 836 to Phoenix leaves the gate
23 h 45 apart on the timetable, overnight
DL 836 leaves 23 h 45 after DL 927 arrives on the timetable: more than half a day, so not a connection we count.