DL 923 then DL 2681 at Atlanta
Boston → Atlanta → Madison
Timetable, Atlanta time
10:57DL 923 from Boston at the gate
09:30DL 2681 to Madison leaves the gate
22 h 33 apart on the timetable, overnight
DL 2681 leaves 22 h 33 after DL 923 arrives on the timetable: more than half a day, so not a connection we count.