TP 4401 then VA 8281 at San Francisco
Boston → San Francisco → Seattle
Timetable, San Francisco time
20:55TP 4401 from Boston at the gate
10:06VA 8281 to Seattle leaves the gate
13 h 11 apart on the timetable, overnight
VA 8281 leaves 13 h 11 after TP 4401 arrives on the timetable: more than half a day, so not a connection we count.