DL 5790 then AA 4409 at Boston
Cincinnati → Boston → Madison
Timetable, Boston time
08:24DL 5790 from Cincinnati at the gate
20:28AA 4409 to Madison leaves the gate
12 h 04 apart on the timetable
AA 4409 leaves 12 h 04 after DL 5790 arrives on the timetable: more than half a day, so not a connection we count.