DL 763 then WN 1623 at LAX
Atlanta → Los Angeles → Las Vegas
Timetable, Los Angeles time
19:55DL 763 from Atlanta at the gate
11:00WN 1623 to Las Vegas leaves the gate
15 h 05 apart on the timetable, overnight
WN 1623 leaves 15 h 05 after DL 763 arrives on the timetable: more than half a day, so not a connection we count.