WN 1801 then DL 832 at Atlanta
Denver → Atlanta → Washington National
Timetable, Atlanta time
18:35WN 1801 from Denver at the gate
17:55DL 832 to Washington National leaves the gate
23 h 20 apart on the timetable, overnight
DL 832 leaves 23 h 20 after WN 1801 arrives on the timetable: more than half a day, so not a connection we count.