UA 5502 then CI 5175 at San Francisco
Monterey → San Francisco → Taipei
Timetable, San Francisco time
09:16UA 5502 from Monterey at the gate
21:20CI 5175 to Taipei leaves the gate
12 h 04 apart on the timetable
CI 5175 leaves 12 h 04 after UA 5502 arrives on the timetable: more than half a day, so not a connection we count.