DL 1680 then DL 1444 at Atlanta
Cincinnati → Atlanta → Washington
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
09:50DL 1444 to Washington leaves the gate
12 h 07 apart on the timetable, overnight
DL 1444 leaves 12 h 07 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.