F9 4409 then DL 475 at Atlanta
Washington → Atlanta → Jackson (Mississippi)
Timetable, Atlanta time
23:13F9 4409 from Washington at the gate
21:15DL 475 to Jackson (Mississippi) leaves the gate
22 h 02 apart on the timetable, overnight
DL 475 leaves 22 h 02 after F9 4409 arrives on the timetable: more than half a day, so not a connection we count.