DL 1709 then DL 5679 at Boston
Dallas-Fort Worth → Boston → Louisville
Timetable, Boston time
18:03DL 1709 from Dallas-Fort Worth at the gate
09:55DL 5679 to Louisville leaves the gate
15 h 52 apart on the timetable, overnight
DL 5679 leaves 15 h 52 after DL 1709 arrives on the timetable: more than half a day, so not a connection we count.