DL 5690 then WN 787 at Boston
Pittsburgh → Boston → Nashville
Timetable, Boston time
08:46DL 5690 from Pittsburgh at the gate
08:10WN 787 to Nashville leaves the gate
23 h 24 apart on the timetable, overnight
WN 787 leaves 23 h 24 after DL 5690 arrives on the timetable: more than half a day, so not a connection we count.