DL 5122 then DL 5090 at Detroit
Louisville → Detroit → Greenville-Spartanburg
Timetable, Detroit time
16:44DL 5122 from Louisville at the gate
16:24DL 5090 to Greenville-Spartanburg leaves the gate
23 h 40 apart on the timetable, overnight
DL 5090 leaves 23 h 40 after DL 5122 arrives on the timetable: more than half a day, so not a connection we count.