DL 1680 then AA 3962 at Atlanta
Cincinnati → Atlanta → Washington National
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
14:24AA 3962 to Washington National leaves the gate
16 h 41 apart on the timetable, overnight
AA 3962 leaves 16 h 41 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.