B6 833 then QR 2055 at San Francisco
Boston → San Francisco → Spokane
Timetable, San Francisco time
20:55B6 833 from Boston at the gatealso EY 8011
14:58QR 2055 to Spokane leaves the gatealso AS 3179, QF 3747, AA 7632
18 h 03 apart on the timetable, overnight
QR 2055 leaves 18 h 03 after B6 833 arrives on the timetable: more than half a day, so not a connection we count.