DL 1407 then DL 3724 at Detroit
Raleigh-Durham → Detroit → Milwaukee
Timetable, Detroit time
20:48DL 1407 from Raleigh-Durham at the gate
19:50DL 3724 to Milwaukee leaves the gate
23 h 02 apart on the timetable, overnight
DL 3724 leaves 23 h 02 after DL 1407 arrives on the timetable: more than half a day, so not a connection we count.