DL 1798 then DL 5679 at Boston
Kansas City → Boston → Louisville
Timetable, Boston time
17:05DL 1798 from Kansas City at the gate
09:55DL 5679 to Louisville leaves the gate
16 h 50 apart on the timetable, overnight
DL 5679 leaves 16 h 50 after DL 1798 arrives on the timetable: more than half a day, so not a connection we count.