DL 3737 then DL 4013 at Detroit
Milwaukee → Detroit → Lexington
Timetable, Detroit time
20:59DL 3737 from Milwaukee at the gate
19:56DL 4013 to Lexington leaves the gate
22 h 57 apart on the timetable, overnight
DL 4013 leaves 22 h 57 after DL 3737 arrives on the timetable: more than half a day, so not a connection we count.