AZ 4476 then CI 5175 at San Francisco
Phoenix → San Francisco → Taipei
Timetable, San Francisco time
09:12AZ 4476 from Phoenix at the gate
21:20CI 5175 to Taipei leaves the gate
12 h 08 apart on the timetable
CI 5175 leaves 12 h 08 after AZ 4476 arrives on the timetable: more than half a day, so not a connection we count.