UA 246 then CI 5175 at San Francisco
Chicago O'Hare → San Francisco → Taipei
Timetable, San Francisco time
08:44UA 246 from Chicago O'Hare at the gatealso AC 5029, VA 8094, NZ 9323
21:20CI 5175 to Taipei leaves the gate
12 h 36 apart on the timetable
CI 5175 leaves 12 h 36 after UA 246 arrives on the timetable: more than half a day, so not a connection we count.