CM 2528 then Y4 2443 at San Francisco
Ontario → San Francisco → Las Vegas
Timetable, San Francisco time
20:10CM 2528 from Ontario at the gatealso AC 4112
14:21Y4 2443 to Las Vegas leaves the gatealso F9 2486
18 h 11 apart on the timetable, overnight
Y4 2443 leaves 18 h 11 after CM 2528 arrives on the timetable: more than half a day, so not a connection we count.