UA 1016 then DL 5679 at Boston
Newark → Boston → Louisville
Timetable, Boston time
13:31UA 1016 from Newark at the gate
09:55DL 5679 to Louisville leaves the gate
20 h 24 apart on the timetable, overnight
DL 5679 leaves 20 h 24 after UA 1016 arrives on the timetable: more than half a day, so not a connection we count.