B6 833 then AC 4507 at San Francisco
Boston → San Francisco → Reno
Timetable, San Francisco time
20:55B6 833 from Boston at the gatealso EY 8011
18:55AC 4507 to Reno leaves the gate
22 h apart on the timetable, overnight
AC 4507 leaves 22 h after B6 833 arrives on the timetable: more than half a day, so not a connection we count.