DL 4887 then DL 5354 at Detroit
Grand Rapids → Detroit → Greenville-Spartanburg
Timetable, Detroit time
08:41DL 4887 from Grand Rapids at the gate
08:31DL 5354 to Greenville-Spartanburg leaves the gate
23 h 50 apart on the timetable, overnight
DL 5354 leaves 23 h 50 after DL 4887 arrives on the timetable: more than half a day, so not a connection we count.