DL 455 then DL 2681 at Atlanta
Washington National → Atlanta → Madison
Timetable, Atlanta time
10:56DL 455 from Washington National at the gate
09:30DL 2681 to Madison leaves the gate
22 h 34 apart on the timetable, overnight
DL 2681 leaves 22 h 34 after DL 455 arrives on the timetable: more than half a day, so not a connection we count.