AA 5660 then DL 5354 at Detroit
Washington National → Detroit → Greenville-Spartanburg
Timetable, Detroit time
09:01AA 5660 from Washington National at the gate
08:31DL 5354 to Greenville-Spartanburg leaves the gate
23 h 30 apart on the timetable, overnight
DL 5354 leaves 23 h 30 after AA 5660 arrives on the timetable: more than half a day, so not a connection we count.