AS 618 then DL 3956 at Seattle
St Louis → Seattle → San Jose (California)
Timetable, Seattle time
17:53AS 618 from St Louis at the gate
17:45DL 3956 to San Jose (California) leaves the gate
23 h 52 apart on the timetable, overnight
DL 3956 leaves 23 h 52 after AS 618 arrives on the timetable: more than half a day, so not a connection we count.