DL 3913 then AS 504 at Seattle
Portland (Oregon) → Seattle → Santa Rosa
Timetable, Seattle time
20:50DL 3913 from Portland (Oregon) at the gate
19:56AS 504 to Santa Rosa leaves the gate
23 h 06 apart on the timetable, overnight
AS 504 leaves 23 h 06 after DL 3913 arrives on the timetable: more than half a day, so not a connection we count.