UA 1482 then TP 4392 at San Francisco
Cincinnati → San Francisco → Boston
Timetable, San Francisco time
09:15UA 1482 from Cincinnati at the gatealso NZ 2852
22:10TP 4392 to Boston leaves the gate
12 h 55 apart on the timetable
TP 4392 leaves 12 h 55 after UA 1482 arrives on the timetable: more than half a day, so not a connection we count.