SN 8947 then NZ 9339 at San Francisco
Washington → San Francisco → Arcata
Timetable, San Francisco time
19:24SN 8947 from Washington at the gate
18:41NZ 9339 to Arcata leaves the gate
23 h 17 apart on the timetable, overnight
NZ 9339 leaves 23 h 17 after SN 8947 arrives on the timetable: more than half a day, so not a connection we count.