DL 609 then DL 1481 at Atlanta
Cancún → Atlanta → Louisville
Timetable, Atlanta time
10:40DL 609 from Cancún at the gate
10:35DL 1481 to Louisville leaves the gate
23 h 55 apart on the timetable, overnight
DL 1481 leaves 23 h 55 after DL 609 arrives on the timetable: more than half a day, so not a connection we count.