AA 276 then B6 1223 at JFK
San Francisco → New York → Los Angeles
Timetable, New York time
06:20AA 276 from San Francisco at the gate
20:29B6 1223 to Los Angeles leaves the gate
14 h 09 apart on the timetable
B6 1223 leaves 14 h 09 after AA 276 arrives on the timetable: more than half a day, so not a connection we count.