LA 6139 then CI 3 at San Francisco
Boston → San Francisco → Taipei
Timetable, San Francisco time
00:24LA 6139 from Boston at the gate
23:40CI 3 to Taipei leaves the gatealso DL 7726
23 h 16 apart on the timetable
CI 3 leaves 23 h 16 after LA 6139 arrives on the timetable: more than half a day, so not a connection we count.