B6 833 then AC 4368 at San Francisco
Boston → San Francisco → Phoenix
Timetable, San Francisco time
20:55B6 833 from Boston at the gatealso EY 8011
16:27AC 4368 to Phoenix leaves the gatealso UA 5895, EK 6376, VA 8411, LH 9350, NZ 9371
19 h 32 apart on the timetable, overnight
AC 4368 leaves 19 h 32 after B6 833 arrives on the timetable: more than half a day, so not a connection we count.