UA 2818 then CI 5175 at San Francisco
Portland (Oregon) → San Francisco → Taipei
Timetable, San Francisco time
09:07UA 2818 from Portland (Oregon) at the gatealso AC 3341, AZ 4374, VA 8459, NZ 9357
21:20CI 5175 to Taipei leaves the gate
12 h 13 apart on the timetable
CI 5175 leaves 12 h 13 after UA 2818 arrives on the timetable: more than half a day, so not a connection we count.