DL 609 then DL 4644 at Atlanta
Cancún → Atlanta → Moline
Timetable, Atlanta time
10:55DL 609 from Cancún at the gate
09:11DL 4644 to Moline leaves the gate
22 h 16 apart on the timetable, overnight
DL 4644 leaves 22 h 16 after DL 609 arrives on the timetable: more than half a day, so not a connection we count.