F9 4500 then WN 1871 at LAX
Portland (Oregon) → Los Angeles → San Francisco
Timetable, Los Angeles time
13:36F9 4500 from Portland (Oregon) at the gate
13:00WN 1871 to San Francisco leaves the gate
23 h 24 apart on the timetable, overnight
WN 1871 leaves 23 h 24 after F9 4500 arrives on the timetable: more than half a day, so not a connection we count.