UA 889 then NH 7306 at San Francisco
Beijing → San Francisco → Phoenix
Timetable, San Francisco time
14:50UA 889 from Beijing at the gatealso CA 7205
12:00NH 7306 to Phoenix leaves the gatealso CA 7333
21 h 10 apart on the timetable, overnight
NH 7306 leaves 21 h 10 after UA 889 arrives on the timetable: more than half a day, so not a connection we count.