AC 4464 then UA 1227 at San Francisco
Phoenix → San Francisco → Arcata
Timetable, San Francisco time
19:15AC 4464 from Phoenix at the gate
18:41UA 1227 to Arcata leaves the gate
23 h 26 apart on the timetable, overnight
UA 1227 leaves 23 h 26 after AC 4464 arrives on the timetable: more than half a day, so not a connection we count.