DL 1407 then DL 4013 at Detroit
Raleigh-Durham → Detroit → Lexington
Timetable, Detroit time
20:48DL 1407 from Raleigh-Durham at the gate
19:56DL 4013 to Lexington leaves the gate
23 h 08 apart on the timetable, overnight
DL 4013 leaves 23 h 08 after DL 1407 arrives on the timetable: more than half a day, so not a connection we count.