DL 675 then DL 514 at Boston
Kansas City → Boston → Phoenix
Timetable, Boston time
13:55DL 675 from Kansas City at the gate
08:35DL 514 to Phoenix leaves the gate
18 h 40 apart on the timetable, overnight
DL 514 leaves 18 h 40 after DL 675 arrives on the timetable: more than half a day, so not a connection we count.