DL 1389 then DL 5354 at Detroit
Houston → Detroit → Greenville-Spartanburg
Timetable, Detroit time
08:49DL 1389 from Houston at the gate
08:31DL 5354 to Greenville-Spartanburg leaves the gate
23 h 42 apart on the timetable, overnight
DL 5354 leaves 23 h 42 after DL 1389 arrives on the timetable: more than half a day, so not a connection we count.