F9 4707 then DL 9961 at Atlanta
Washington → Atlanta → CWF
Timetable, Atlanta time
10:12F9 4707 from Washington at the gate
08:00DL 9961 to CWF leaves the gate
21 h 48 apart on the timetable, overnight
DL 9961 leaves 21 h 48 after F9 4707 arrives on the timetable: more than half a day, so not a connection we count.