BA 7546 then TP 4392 at San Francisco
Las Vegas → San Francisco → Boston
Timetable, San Francisco time
17:41BA 7546 from Las Vegas at the gate
10:44TP 4392 to Boston leaves the gate
17 h 03 apart on the timetable, overnight
TP 4392 leaves 17 h 03 after BA 7546 arrives on the timetable: more than half a day, so not a connection we count.