AV 2104 then DL 860 at San Francisco
San Luis Obispo → San Francisco → Boston
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
15:05DL 860 to Boston leaves the gate
19 h 09 apart on the timetable, overnight
DL 860 leaves 19 h 09 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.