DL 3889 then DL 4159 at Detroit
Omaha → Detroit → Appleton
Timetable, Detroit time
20:58DL 3889 from Omaha at the gate
20:00DL 4159 to Appleton leaves the gate
23 h 02 apart on the timetable, overnight
DL 4159 leaves 23 h 02 after DL 3889 arrives on the timetable: more than half a day, so not a connection we count.