AA 1206 then DL 5679 at Boston
Dallas-Fort Worth → Boston → Louisville
Timetable, Boston time
13:37AA 1206 from Dallas-Fort Worth at the gate
09:55DL 5679 to Louisville leaves the gate
20 h 18 apart on the timetable, overnight
DL 5679 leaves 20 h 18 after AA 1206 arrives on the timetable: more than half a day, so not a connection we count.