DL 1837 then DL 714 at Atlanta
Washington → Atlanta → Seattle
Timetable, Atlanta time
18:53DL 1837 from Washington at the gate
18:13DL 714 to Seattle leaves the gate
23 h 20 apart on the timetable, overnight
DL 714 leaves 23 h 20 after DL 1837 arrives on the timetable: more than half a day, so not a connection we count.