DL 1007 then DL 2189 at Atlanta
Washington National → Atlanta → Jacksonville
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
17:48DL 2189 to Jacksonville leaves the gate
20 h 07 apart on the timetable, overnight
DL 2189 leaves 20 h 07 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.