DL 1007 then F9 3293 at Atlanta
Washington National → Atlanta → Denver
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
18:28F9 3293 to Denver leaves the gate
20 h 47 apart on the timetable, overnight
F9 3293 leaves 20 h 47 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.