UA 571 then CX 873 at San Francisco
Atlanta → San Francisco → Hong Kong
Timetable, San Francisco time
09:29UA 571 from Atlanta at the gatealso CA 7243, VA 8403, NZ 9005
22:55CX 873 to Hong Kong leaves the gatealso OM 5873, AS 7290, AA 8931, MH 9183
13 h 26 apart on the timetable
CX 873 leaves 13 h 26 after UA 571 arrives on the timetable: more than half a day, so not a connection we count.