AV 2183 then B6 1734 at San Francisco
Vancouver → San Francisco → Boston
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
10:44B6 1734 to Boston leaves the gatealso FI 7830
19 h 17 apart on the timetable, overnight
B6 1734 leaves 19 h 17 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.