F9 4409 then DL 4925 at Atlanta
Washington → Atlanta → Chattanooga
Timetable, Atlanta time
20:27F9 4409 from Washington at the gate
13:14DL 4925 to Chattanooga leaves the gate
16 h 47 apart on the timetable, overnight
DL 4925 leaves 16 h 47 after F9 4409 arrives on the timetable: more than half a day, so not a connection we count.