DL 5690 then DL 5593 at Boston
Pittsburgh → Boston → Jacksonville
Timetable, Boston time
08:00DL 5690 from Pittsburgh at the gate
20:10DL 5593 to Jacksonville leaves the gate
12 h 10 apart on the timetable
DL 5593 leaves 12 h 10 after DL 5690 arrives on the timetable: more than half a day, so not a connection we count.