AV 2104 then Y4 2735 at San Francisco
San Luis Obispo → San Francisco → Las Vegas
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
11:06Y4 2735 to Las Vegas leaves the gatealso F9 4158
15 h 10 apart on the timetable, overnight
Y4 2735 leaves 15 h 10 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.