OZ 6344 then UA 853 at San Francisco
St Louis → San Francisco → Taipei
Timetable, San Francisco time
10:36OZ 6344 from St Louis at the gate
23:10UA 853 to Taipei leaves the gate
12 h 34 apart on the timetable
UA 853 leaves 12 h 34 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.