B6 833 then AF 2414 at San Francisco
Boston → San Francisco → Salt Lake City
Timetable, San Francisco time
20:55B6 833 from Boston at the gatealso EY 8011
17:13AF 2414 to Salt Lake City leaves the gate
20 h 18 apart on the timetable, overnight
AF 2414 leaves 20 h 18 after B6 833 arrives on the timetable: more than half a day, so not a connection we count.