DL 158 then DL 4010 at Detroit
Seoul → Detroit → Lexington
Timetable, Detroit time
08:26DL 158 from Seoul at the gate
08:25DL 4010 to Lexington leaves the gate
23 h 59 apart on the timetable, overnight
DL 4010 leaves 23 h 59 after DL 158 arrives on the timetable: more than half a day, so not a connection we count.