UA 889 then VA 8287 at San Francisco
Beijing → San Francisco → Seattle
Timetable, San Francisco time
14:50UA 889 from Beijing at the gatealso CA 7205
07:25VA 8287 to Seattle leaves the gate
16 h 35 apart on the timetable, overnight
VA 8287 leaves 16 h 35 after UA 889 arrives on the timetable: more than half a day, so not a connection we count.