JU 8510 then NZ 9339 at San Francisco
New York JFK → San Francisco → Arcata
Timetable, San Francisco time
23:54JU 8510 from New York JFK at the gate
18:41NZ 9339 to Arcata leaves the gate
18 h 47 apart on the timetable, overnight
NZ 9339 leaves 18 h 47 after JU 8510 arrives on the timetable: more than half a day, so not a connection we count.