About 1 in 4 UA 2866 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (27%); 0.5% were cancelled. The typical flight landed 3 minutes early.
UA 2866: SFO → SBA
Scheduled to leave San Francisco at 9:23 p.m. local time. Over the past year it arrived on time 73% of the time (198 flights), worse than other UA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from San Francisco to Santa Barbara (100% of days). United Airlines's last SFO–SBA flight was cancelled 1.4% of the time, against 1.1% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 10:29 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 27 | 52% |
| Tuesday | 25 | 84% |
| Wednesday | 31 | 77% |
| Thursday | 31 | 68% |
| Friday | 27 | 78% |
| Saturday | 26 | 88% |
| Sunday | 31 | 65% |
Why it was late
All flights SFO → SBA · Connecting off UA 2866? Check the risk
Questions
How often is UA 2866 from SFO to SBA late?
United Airlines 2866 from San Francisco, CA to Santa Barbara, CA arrived 15 or more minutes late, was diverted or was cancelled on 27% of 198 scheduled flights between September 2025 and August 2026. 0.5% 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.