UA 889 then AF 8811 at San Francisco
Beijing → San Francisco → Los Angeles
Timetable, San Francisco time
14:50UA 889 from Beijing at the gatealso CA 7205
11:44AF 8811 to Los Angeles leaves the gate
20 h 54 apart on the timetable, overnight
AF 8811 leaves 20 h 54 after UA 889 arrives on the timetable: more than half a day, so not a connection we count.