DL 920 then DL 2112 at San Francisco
Salt Lake City → San Francisco → New York JFK
Timetable, San Francisco time
09:05DL 920 from Salt Lake City at the gatealso VS 4456, KE 6746, MU 8721
21:35DL 2112 to New York JFK leaves the gatealso AM 4443, VS 4856, KQ 7007
12 h 30 apart on the timetable
DL 2112 leaves 12 h 30 after DL 920 arrives on the timetable: more than half a day, so not a connection we count.