F9 4707 then DL 1637 at Atlanta
Washington → Atlanta → Wichita
Timetable, Atlanta time
10:12F9 4707 from Washington at the gate
09:15DL 1637 to Wichita leaves the gate
23 h 03 apart on the timetable, overnight
DL 1637 leaves 23 h 03 after F9 4707 arrives on the timetable: more than half a day, so not a connection we count.