AA 9782 then AA 1533 at Miami
Columbus (Ohio) → Miami → Washington National
Timetable, Miami time
01:14AA 9782 from Columbus (Ohio) at the gate
19:19AA 1533 to Washington National leaves the gate
18 h 05 apart on the timetable
AA 1533 leaves 18 h 05 after AA 9782 arrives on the timetable: more than half a day, so not a connection we count.