LA 6139 then AS 40 at San Francisco
Boston → San Francisco → New York JFK
Timetable, San Francisco time
00:24LA 6139 from Boston at the gate
23:00AS 40 to New York JFK leaves the gatealso QR 2080, QR 2137
22 h 36 apart on the timetable
AS 40 leaves 22 h 36 after LA 6139 arrives on the timetable: more than half a day, so not a connection we count.