DL 731 then DL 850 at Atlanta
Wilmington (ILM) → Atlanta → Washington National
Timetable, Atlanta time
16:07DL 731 from Wilmington (ILM) at the gate
15:35DL 850 to Washington National leaves the gate
23 h 28 apart on the timetable, overnight
DL 850 leaves 23 h 28 after DL 731 arrives on the timetable: more than half a day, so not a connection we count.