AS 309 then Y4 2443 at San Francisco
Los Angeles → San Francisco → Las Vegas
Timetable, San Francisco time
14:22AS 309 from Los Angeles at the gatealso QR 2096, DE 5030
14:21Y4 2443 to Las Vegas leaves the gatealso F9 2486
23 h 59 apart on the timetable, overnight
Y4 2443 leaves 23 h 59 after AS 309 arrives on the timetable: more than half a day, so not a connection we count.