DL 1444 then DL 472 at Atlanta
Washington → Atlanta → Seattle
Timetable, Atlanta time
14:24DL 1444 from Washington at the gate
14:05DL 472 to Seattle leaves the gate
23 h 41 apart on the timetable, overnight
DL 472 leaves 23 h 41 after DL 1444 arrives on the timetable: more than half a day, so not a connection we count.