DL 2919 then JX 11 at San Francisco
Boston → San Francisco → Taipei
Timetable, San Francisco time
23:58DL 2919 from Boston at the gatealso SK 3585, AF 3726
23:10JX 11 to Taipei leaves the gatealso AS 7219, AA 8365
23 h 12 apart on the timetable, overnight
JX 11 leaves 23 h 12 after DL 2919 arrives on the timetable: more than half a day, so not a connection we count.