DL 850 then DL 2959 at Atlanta
Washington National → Atlanta → Wichita
Timetable, Atlanta time
20:30DL 850 from Washington National at the gate
20:12DL 2959 to Wichita leaves the gate
23 h 42 apart on the timetable, overnight
DL 2959 leaves 23 h 42 after DL 850 arrives on the timetable: more than half a day, so not a connection we count.