AS 280 then DL 1706 at Seattle
Houston → Seattle → Detroit
Timetable, Seattle time
09:53AS 280 from Houston at the gate
09:45DL 1706 to Detroit leaves the gate
23 h 52 apart on the timetable, overnight
DL 1706 leaves 23 h 52 after AS 280 arrives on the timetable: more than half a day, so not a connection we count.