DL 977 then CI 5345 at San Francisco
Boston → San Francisco → Taipei
Timetable, San Francisco time
11:41DL 977 from Boston at the gate
04:10CI 5345 to Taipei leaves the gate
16 h 29 apart on the timetable, overnight
CI 5345 leaves 16 h 29 after DL 977 arrives on the timetable: more than half a day, so not a connection we count.