UA 225 then CI 5345 at San Francisco
Philadelphia → San Francisco → Taipei
Timetable, San Francisco time
21:43UA 225 from Philadelphia at the gatealso NZ 9366
16:40CI 5345 to Taipei leaves the gate
18 h 57 apart on the timetable, overnight
CI 5345 leaves 18 h 57 after UA 225 arrives on the timetable: more than half a day, so not a connection we count.