AV 6985 then Y4 2443 at San Francisco
Vancouver → San Francisco → Las Vegas
Timetable, San Francisco time
16:06AV 6985 from Vancouver at the gate
14:21Y4 2443 to Las Vegas leaves the gatealso F9 2486
22 h 15 apart on the timetable, overnight
Y4 2443 leaves 22 h 15 after AV 6985 arrives on the timetable: more than half a day, so not a connection we count.