DL 5122 then DL 2431 at Detroit
Louisville → Detroit → Denver
Timetable, Detroit time
16:44DL 5122 from Louisville at the gate
16:00DL 2431 to Denver leaves the gate
23 h 16 apart on the timetable, overnight
DL 2431 leaves 23 h 16 after DL 5122 arrives on the timetable: more than half a day, so not a connection we count.