AS 370 then DL 1706 at Seattle
Philadelphia → Seattle → Detroit
Timetable, Seattle time
10:08AS 370 from Philadelphia at the gate
09:45DL 1706 to Detroit leaves the gate
23 h 37 apart on the timetable, overnight
DL 1706 leaves 23 h 37 after AS 370 arrives on the timetable: more than half a day, so not a connection we count.