AA 6274 then DL 2112 at San Francisco
Los Angeles → San Francisco → New York JFK
Timetable, San Francisco time
09:17AA 6274 from Los Angeles at the gatealso EI 7391
21:35DL 2112 to New York JFK leaves the gatealso AM 4443, VS 4856
12 h 18 apart on the timetable
DL 2112 leaves 12 h 18 after AA 6274 arrives on the timetable: more than half a day, so not a connection we count.