AA 820 then DL 2511 at Atlanta
Dallas-Fort Worth → Atlanta → Rochester
Timetable, Atlanta time
10:22AA 820 from Dallas-Fort Worth at the gate
09:01DL 2511 to Rochester leaves the gate
22 h 39 apart on the timetable, overnight
DL 2511 leaves 22 h 39 after AA 820 arrives on the timetable: more than half a day, so not a connection we count.