AC 3995 then CI 5175 at San Francisco
Boise → San Francisco → Taipei
Timetable, San Francisco time
07:28AC 3995 from Boise at the gatealso UA 4678, NZ 9393
21:20CI 5175 to Taipei leaves the gate
13 h 52 apart on the timetable
CI 5175 leaves 13 h 52 after AC 3995 arrives on the timetable: more than half a day, so not a connection we count.