DL 516 then DL 2511 at Atlanta
Dallas → Atlanta → Rochester
Timetable, Atlanta time
09:15DL 516 from Dallas at the gate
09:01DL 2511 to Rochester leaves the gate
23 h 46 apart on the timetable, overnight
DL 2511 leaves 23 h 46 after DL 516 arrives on the timetable: more than half a day, so not a connection we count.