B6 15 then JX 11 at San Francisco
New York JFK → San Francisco → Taipei
Timetable, San Francisco time
11:08B6 15 from New York JFK at the gatealso TP 4397, LO 5773
23:10JX 11 to Taipei leaves the gatealso AS 7219, AA 8365
12 h 02 apart on the timetable
JX 11 leaves 12 h 02 after B6 15 arrives on the timetable: more than half a day, so not a connection we count.