DL 5765 then WN 791 at Boston
New York JFK → Boston → Nashville
Timetable, Boston time
07:20DL 5765 from New York JFK at the gate
19:30WN 791 to Nashville leaves the gate
12 h 10 apart on the timetable
WN 791 leaves 12 h 10 after DL 5765 arrives on the timetable: more than half a day, so not a connection we count.