F9 3178 then DL 4010 at Detroit
Dallas-Fort Worth → Detroit → Lexington
Timetable, Detroit time
09:19F9 3178 from Dallas-Fort Worth at the gate
08:25DL 4010 to Lexington leaves the gate
23 h 06 apart on the timetable, overnight
DL 4010 leaves 23 h 06 after F9 3178 arrives on the timetable: more than half a day, so not a connection we count.