AS 2129 then DL 560 at Seattle
Calgary → Seattle → Atlanta
Timetable, Seattle time
09:06AS 2129 from Calgary at the gate
23:40DL 560 to Atlanta leaves the gate
14 h 34 apart on the timetable
DL 560 leaves 14 h 34 after AS 2129 arrives on the timetable: more than half a day, so not a connection we count.