UA 343 then CI 5345 at San Francisco
Atlanta → San Francisco → Taipei
Timetable, San Francisco time
20:10UA 343 from Atlanta at the gate
16:40CI 5345 to Taipei leaves the gate
20 h 30 apart on the timetable, overnight
CI 5345 leaves 20 h 30 after UA 343 arrives on the timetable: more than half a day, so not a connection we count.