DL 5798 then B6 1323 at Boston
New York JFK → Boston → Santiago (Dominican Republic)
Timetable, Boston time
19:11DL 5798 from New York JFK at the gate
18:55B6 1323 to Santiago (Dominican Republic) leaves the gate
23 h 44 apart on the timetable, overnight
B6 1323 leaves 23 h 44 after DL 5798 arrives on the timetable: more than half a day, so not a connection we count.