DL 4654 then DL 2472 at Atlanta
Knoxville → Atlanta → Rochester
Timetable, Atlanta time
09:44DL 4654 from Knoxville at the gate
21:50DL 2472 to Rochester leaves the gate
12 h 06 apart on the timetable
DL 2472 leaves 12 h 06 after DL 4654 arrives on the timetable: more than half a day, so not a connection we count.