DL 1007 then DL 2542 at Atlanta
Washington National → Atlanta → New Orleans
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
11:05DL 2542 to New Orleans leaves the gate
13 h 24 apart on the timetable, overnight
DL 2542 leaves 13 h 24 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.