AV 6985 then UA 543 at San Francisco
Vancouver → San Francisco → Las Vegas
Timetable, San Francisco time
16:06AV 6985 from Vancouver at the gate
14:20UA 543 to Las Vegas leaves the gatealso AC 3886, NZ 9222
22 h 14 apart on the timetable, overnight
UA 543 leaves 22 h 14 after AV 6985 arrives on the timetable: more than half a day, so not a connection we count.