CZ 1637 then TP 4392 at San Francisco
Philadelphia → San Francisco → Boston
Timetable, San Francisco time
20:33CZ 1637 from Philadelphia at the gate
10:44TP 4392 to Boston leaves the gate
14 h 11 apart on the timetable, overnight
TP 4392 leaves 14 h 11 after CZ 1637 arrives on the timetable: more than half a day, so not a connection we count.