UA 488 then DL 2112 at San Francisco
Burbank → San Francisco → New York JFK
Timetable, San Francisco time
09:09UA 488 from Burbank at the gatealso AC 4195
21:35DL 2112 to New York JFK leaves the gatealso AM 4443, VS 4856, KQ 7007
12 h 26 apart on the timetable
DL 2112 leaves 12 h 26 after UA 488 arrives on the timetable: more than half a day, so not a connection we count.