UA 889 then VA 8546 at San Francisco
Beijing → San Francisco → Los Angeles
Timetable, San Francisco time
14:50UA 889 from Beijing at the gatealso CA 7205
06:00VA 8546 to Los Angeles leaves the gate
15 h 10 apart on the timetable, overnight
VA 8546 leaves 15 h 10 after UA 889 arrives on the timetable: more than half a day, so not a connection we count.