B6 833 then F9 1160 at San Francisco
Boston → San Francisco → Ontario
Timetable, San Francisco time
20:55B6 833 from Boston at the gatealso EY 8011
18:04F9 1160 to Ontario leaves the gate
21 h 09 apart on the timetable, overnight
F9 1160 leaves 21 h 09 after B6 833 arrives on the timetable: more than half a day, so not a connection we count.