UA 6019 then TP 4392 at San Francisco
San Luis Obispo → San Francisco → Boston
Timetable, San Francisco time
07:16UA 6019 from San Luis Obispo at the gate
22:10TP 4392 to Boston leaves the gate
14 h 54 apart on the timetable
TP 4392 leaves 14 h 54 after UA 6019 arrives on the timetable: more than half a day, so not a connection we count.