UA 528 then VA 8562 at San Francisco
Boise → San Francisco → Las Vegas
Timetable, San Francisco time
20:04UA 528 from Boise at the gatealso AC 4964, NZ 9394
08:35VA 8562 to Las Vegas leaves the gate
12 h 31 apart on the timetable, overnight
VA 8562 leaves 12 h 31 after UA 528 arrives on the timetable: more than half a day, so not a connection we count.