AS 1 then DL 560 at Seattle
Washington National → Seattle → Atlanta
Timetable, Seattle time
10:55AS 1 from Washington National at the gate
23:35DL 560 to Atlanta leaves the gate
12 h 40 apart on the timetable
DL 560 leaves 12 h 40 after AS 1 arrives on the timetable: more than half a day, so not a connection we count.