F9 2483 then DL 1324 at Atlanta
Miami → Atlanta → Washington
Timetable, Atlanta time
07:30F9 2483 from Miami at the gate
07:25DL 1324 to Washington leaves the gate
23 h 55 apart on the timetable, overnight
DL 1324 leaves 23 h 55 after F9 2483 arrives on the timetable: more than half a day, so not a connection we count.