B6 1896 then DL 5679 at Boston
Atlanta → Boston → Louisville
Timetable, Boston time
10:02B6 1896 from Atlanta at the gate
09:55DL 5679 to Louisville leaves the gate
23 h 53 apart on the timetable, overnight
DL 5679 leaves 23 h 53 after B6 1896 arrives on the timetable: more than half a day, so not a connection we count.