DL 1680 then DL 2479 at Atlanta
Cincinnati → Atlanta → Portland (Maine)
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
10:30DL 2479 to Portland (Maine) leaves the gate
12 h 47 apart on the timetable, overnight
DL 2479 leaves 12 h 47 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.