About 1 in 3 UA 5313 flights from Arcata arrived 15+ minutes late, diverted or cancelled over the past year (29%); 1.7% were cancelled. The typical flight landed 2 minutes early.
UA 5313: ACV → SFO
Scheduled to leave Arcata at 6:00 a.m. local time, operated by SkyWest as OO 5313. Over the past year it arrived on time 71% of the time (364 flights), worse than other UA flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 68% |
| Tuesday | 52 | 67% |
| Wednesday | 52 | 69% |
| Thursday | 52 | 71% |
| Friday | 52 | 75% |
| Saturday | 52 | 81% |
| Sunday | 51 | 65% |
Why it was late
All flights ACV → SFO · Connecting off UA 5313? Check the risk
Questions
How often is UA 5313 from ACV to SFO late?
United Airlines 5313 from Arcata/Eureka, CA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 29% of 364 scheduled flights between September 2025 and August 2026. 1.7% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.