B6 633 then CI 5345 at San Francisco
Boston → San Francisco → Taipei
Timetable, San Francisco time
09:59B6 633 from Boston at the gate
01:50CI 5345 to Taipei leaves the gate
15 h 51 apart on the timetable, overnight
CI 5345 leaves 15 h 51 after B6 633 arrives on the timetable: more than half a day, so not a connection we count.