AS 315 then DL 2053 at Detroit
Seattle → Detroit → Atlanta
Timetable, Detroit time
05:40AS 315 from Seattle at the gate
18:15DL 2053 to Atlanta leaves the gate
12 h 35 apart on the timetable
DL 2053 leaves 12 h 35 after AS 315 arrives on the timetable: more than half a day, so not a connection we count.