DL 609 then DL 2511 at Atlanta
Cancún → Atlanta → Rochester
Timetable, Atlanta time
10:55DL 609 from Cancún at the gate
09:01DL 2511 to Rochester leaves the gate
22 h 06 apart on the timetable, overnight
DL 2511 leaves 22 h 06 after DL 609 arrives on the timetable: more than half a day, so not a connection we count.