VA 8124 then TP 4392 at San Francisco
Las Vegas → San Francisco → Boston
Timetable, San Francisco time
21:18VA 8124 from Las Vegas at the gate
10:44TP 4392 to Boston leaves the gate
13 h 26 apart on the timetable, overnight
TP 4392 leaves 13 h 26 after VA 8124 arrives on the timetable: more than half a day, so not a connection we count.