B6 833 then WS 1501 at San Francisco
Boston → San Francisco → Calgary
Timetable, San Francisco time
20:55B6 833 from Boston at the gatealso EY 8011
16:40WS 1501 to Calgary leaves the gatealso QF 3363, EK 4659, FJ 6005, AM 7145, SK 9551, KL 9681
19 h 45 apart on the timetable, overnight
WS 1501 leaves 19 h 45 after B6 833 arrives on the timetable: more than half a day, so not a connection we count.