DL 686 then DL 2511 at Atlanta
Savannah → Atlanta → Rochester
Timetable, Atlanta time
09:20DL 686 from Savannah at the gate
09:01DL 2511 to Rochester leaves the gate
23 h 41 apart on the timetable, overnight
DL 2511 leaves 23 h 41 after DL 686 arrives on the timetable: more than half a day, so not a connection we count.