DL 3889 then DL 1622 at Detroit
Omaha → Detroit → Chicago O'Hare
Timetable, Detroit time
20:58DL 3889 from Omaha at the gate
07:10DL 1622 to Chicago O'Hare leaves the gate
10 h 12 apart on the timetable, overnight
The last days
DL 3889 and DL 1622 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.