DL 8843 then DL 714 at Atlanta
Washington → Atlanta → Seattle
Timetable, Atlanta time
02:39DL 8843 from Washington at the gate
18:13DL 714 to Seattle leaves the gate
15 h 34 apart on the timetable
DL 714 leaves 15 h 34 after DL 8843 arrives on the timetable: more than half a day, so not a connection we count.