CZ 1604 then JL 5452 at San Francisco
Los Angeles → San Francisco → Las Vegas
Timetable, San Francisco time
23:40CZ 1604 from Los Angeles at the gatealso AA 3176, AY 4048, QF 4743, EI 7533
19:19JL 5452 to Las Vegas leaves the gate
19 h 39 apart on the timetable, overnight
JL 5452 leaves 19 h 39 after CZ 1604 arrives on the timetable: more than half a day, so not a connection we count.