AS 280 then DL 560 at Seattle
Houston → Seattle → Atlanta
Timetable, Seattle time
09:53AS 280 from Houston at the gate
23:40DL 560 to Atlanta leaves the gate
13 h 47 apart on the timetable
DL 560 leaves 13 h 47 after AS 280 arrives on the timetable: more than half a day, so not a connection we count.