WN 3243 then DL 950 at Atlanta
Austin → Atlanta → Washington National
Timetable, Atlanta time
18:00WN 3243 from Austin at the gate
16:40DL 950 to Washington National leaves the gate
22 h 40 apart on the timetable, overnight
DL 950 leaves 22 h 40 after WN 3243 arrives on the timetable: more than half a day, so not a connection we count.