DL 5238 then DL 2073 at Detroit
Greenville-Spartanburg → Detroit → Washington National
Timetable, Detroit time
09:12DL 5238 from Greenville-Spartanburg at the gate
21:55DL 2073 to Washington National leaves the gate
12 h 43 apart on the timetable
DL 2073 leaves 12 h 43 after DL 5238 arrives on the timetable: more than half a day, so not a connection we count.