CM 1430 then UA 5489 at San Francisco
Redding → San Francisco → Arcata
Timetable, San Francisco time
19:55CM 1430 from Redding at the gate
19:10UA 5489 to Arcata leaves the gate
23 h 15 apart on the timetable, overnight
UA 5489 leaves 23 h 15 after CM 1430 arrives on the timetable: more than half a day, so not a connection we count.