AV 2104 then JL 7544 at San Francisco
San Luis Obispo → San Francisco → New York JFK
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
12:25JL 7544 to New York JFK leaves the gate
16 h 29 apart on the timetable, overnight
JL 7544 leaves 16 h 29 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.