JU 8510 then AS 2459 at San Francisco
New York JFK → San Francisco → San Diego
Timetable, San Francisco time
23:54JU 8510 from New York JFK at the gate
20:00AS 2459 to San Diego leaves the gatealso QR 8803, AA 9319
20 h 06 apart on the timetable, overnight
AS 2459 leaves 20 h 06 after JU 8510 arrives on the timetable: more than half a day, so not a connection we count.