DL 731 then DL 5519 at Atlanta
Wilmington (ILM) → Atlanta → Tri-Cities
Timetable, Atlanta time
16:07DL 731 from Wilmington (ILM) at the gate
13:45DL 5519 to Tri-Cities leaves the gate
21 h 38 apart on the timetable, overnight
DL 5519 leaves 21 h 38 after DL 731 arrives on the timetable: more than half a day, so not a connection we count.