DL 3889 then DL 4013 at Detroit
Omaha → Detroit → Lexington
Timetable, Detroit time
20:58DL 3889 from Omaha at the gate
19:56DL 4013 to Lexington leaves the gate
22 h 58 apart on the timetable, overnight
DL 4013 leaves 22 h 58 after DL 3889 arrives on the timetable: more than half a day, so not a connection we count.