TK 9588 then CX 7996 at San Francisco
Portland (Oregon) → San Francisco → Seattle
Timetable, San Francisco time
10:55TK 9588 from Portland (Oregon) at the gate
10:39CX 7996 to Seattle leaves the gate
23 h 44 apart on the timetable, overnight
CX 7996 leaves 23 h 44 after TK 9588 arrives on the timetable: more than half a day, so not a connection we count.