VA 8292 then UA 3916 at San Francisco
Seattle → San Francisco → Denver
Timetable, San Francisco time
19:38VA 8292 from Seattle at the gate
13:30UA 3916 to Denver leaves the gate
17 h 52 apart on the timetable, overnight
UA 3916 leaves 17 h 52 after VA 8292 arrives on the timetable: more than half a day, so not a connection we count.