DL 5829 then DL 5679 at Boston
Newark → Boston → Louisville
Timetable, Boston time
15:28DL 5829 from Newark at the gate
09:55DL 5679 to Louisville leaves the gate
18 h 27 apart on the timetable, overnight
DL 5679 leaves 18 h 27 after DL 5829 arrives on the timetable: more than half a day, so not a connection we count.