DL 5595 then B6 733 at Boston
New York JFK → Boston → San Francisco
Timetable, Boston time
14:54DL 5595 from New York JFK at the gate
13:30B6 733 to San Francisco leaves the gate
22 h 36 apart on the timetable, overnight
B6 733 leaves 22 h 36 after DL 5595 arrives on the timetable: more than half a day, so not a connection we count.