DL 1799 then DL 514 at Boston
Tampa → Boston → Phoenix
Timetable, Boston time
14:20DL 1799 from Tampa at the gate
08:35DL 514 to Phoenix leaves the gate
18 h 15 apart on the timetable, overnight
DL 514 leaves 18 h 15 after DL 1799 arrives on the timetable: more than half a day, so not a connection we count.