DL 417 then DL 763 at Atlanta
Las Vegas → Atlanta → Los Angeles
Timetable, Atlanta time
05:00DL 417 from Las Vegas at the gate
17:59DL 763 to Los Angeles leaves the gate
12 h 59 apart on the timetable
DL 763 leaves 12 h 59 after DL 417 arrives on the timetable: more than half a day, so not a connection we count.