DL 1146 then AA 3687 at Atlanta
Greenville-Spartanburg → Atlanta → Washington National
Timetable, Atlanta time
08:10DL 1146 from Greenville-Spartanburg at the gate
08:06AA 3687 to Washington National leaves the gate
23 h 56 apart on the timetable, overnight
AA 3687 leaves 23 h 56 after DL 1146 arrives on the timetable: more than half a day, so not a connection we count.