DL 3889 then DL 5087 at Detroit
Omaha → Detroit → Des Moines
Timetable, Detroit time
20:58DL 3889 from Omaha at the gate
19:45DL 5087 to Des Moines leaves the gate
22 h 47 apart on the timetable, overnight
DL 5087 leaves 22 h 47 after DL 3889 arrives on the timetable: more than half a day, so not a connection we count.