DL 609 then DL 2681 at Atlanta
Cancún → Atlanta → Madison
Timetable, Atlanta time
10:55DL 609 from Cancún at the gate
09:30DL 2681 to Madison leaves the gate
22 h 35 apart on the timetable, overnight
DL 2681 leaves 22 h 35 after DL 609 arrives on the timetable: more than half a day, so not a connection we count.