UA 8167 then VA 8287 at San Francisco
Newark → San Francisco → Seattle
Timetable, San Francisco time
15:29UA 8167 from Newark at the gate
07:25VA 8287 to Seattle leaves the gate
15 h 56 apart on the timetable, overnight
VA 8287 leaves 15 h 56 after UA 8167 arrives on the timetable: more than half a day, so not a connection we count.