DL 381 then DL 2112 at San Francisco
Austin → San Francisco → New York JFK
Timetable, San Francisco time
09:04DL 381 from Austin at the gatealso AF 2230, KE 5388
21:35DL 2112 to New York JFK leaves the gatealso AM 4443, VS 4856
12 h 31 apart on the timetable
DL 2112 leaves 12 h 31 after DL 381 arrives on the timetable: more than half a day, so not a connection we count.