UA 5502 then TP 4392 at San Francisco
Monterey → San Francisco → Boston
Timetable, San Francisco time
09:26UA 5502 from Monterey at the gate
22:10TP 4392 to Boston leaves the gate
12 h 44 apart on the timetable
TP 4392 leaves 12 h 44 after UA 5502 arrives on the timetable: more than half a day, so not a connection we count.