LH 7845 then TP 4392 at San Francisco
Phoenix → San Francisco → Boston
Timetable, San Francisco time
17:49LH 7845 from Phoenix at the gate
06:00TP 4392 to Boston leaves the gate
12 h 11 apart on the timetable, overnight
TP 4392 leaves 12 h 11 after LH 7845 arrives on the timetable: more than half a day, so not a connection we count.