LA 6139 then BR 17 at San Francisco
Boston → San Francisco → Taipei
Timetable, San Francisco time
00:24LA 6139 from Boston at the gate
23:50BR 17 to Taipei leaves the gatealso AV 4504, TG 6253, CM 8012
23 h 26 apart on the timetable
BR 17 leaves 23 h 26 after LA 6139 arrives on the timetable: more than half a day, so not a connection we count.