B6 833 then MU 8703 at San Francisco
Boston → San Francisco → New York JFK
Timetable, San Francisco time
20:55B6 833 from Boston at the gatealso EY 8011
14:05MU 8703 to New York JFK leaves the gate
17 h 10 apart on the timetable, overnight
MU 8703 leaves 17 h 10 after B6 833 arrives on the timetable: more than half a day, so not a connection we count.