DL 731 then DL 1491 at Atlanta
Wilmington (ILM) → Atlanta → Austin
Timetable, Atlanta time
16:07DL 731 from Wilmington (ILM) at the gate
16:00DL 1491 to Austin leaves the gate
23 h 53 apart on the timetable, overnight
DL 1491 leaves 23 h 53 after DL 731 arrives on the timetable: more than half a day, so not a connection we count.