IB 4893 then CM 1447 at San Francisco
Dallas-Fort Worth → San Francisco → Arcata
Timetable, San Francisco time
22:31IB 4893 from Dallas-Fort Worth at the gate
20:50CM 1447 to Arcata leaves the gatealso UA 2220
22 h 19 apart on the timetable, overnight
CM 1447 leaves 22 h 19 after IB 4893 arrives on the timetable: more than half a day, so not a connection we count.