DL 5614 then DL 5679 at Boston
Milwaukee → Boston → Louisville
Timetable, Boston time
16:32DL 5614 from Milwaukee at the gate
09:55DL 5679 to Louisville leaves the gate
17 h 23 apart on the timetable, overnight
DL 5679 leaves 17 h 23 after DL 5614 arrives on the timetable: more than half a day, so not a connection we count.