VA 8576 then UA 582 at San Francisco
Las Vegas → San Francisco → Boise
Timetable, San Francisco time
19:03VA 8576 from Las Vegas at the gate
14:02UA 582 to Boise leaves the gatealso AC 3996
18 h 59 apart on the timetable, overnight
UA 582 leaves 18 h 59 after VA 8576 arrives on the timetable: more than half a day, so not a connection we count.