SBP to SFO flight delays & on-time performance
Nonstop flights from San Luis County Regional Airport to San Francisco International Airport · 191 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SBP or SFO right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from San Luis Obispo (SBP) to San Francisco (SFO) arrived on time 60% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.2% were cancelled, and 15% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (61% on time); United Airlines was the least (57%).
- Departures scheduled around 6am did best (81% on time); around 8pm did worst (19%).
- Tuesday was the most reliable day to fly (69% on time) and Wednesday the least (51%).
- The largest source of delay minutes was air traffic control & airport congestion (51%).
Which airline is most on time from SBP to SFO?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 61% | 1.2% | 28 min | 13.9% | 904 |
| United Airlines | 57% | 1.2% | 37 min | 17.2% | 241 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am89%18 flights
- 6am81%244 flights
- 7am87%15 flights
- 8am35%233 flights
- 10am72%68 flights
- 2pm58%361 flights
- 3pm100%18 flights
- 6pm75%108 flights
- 8pm19%69 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday63%1.2% cancelled
- Tuesday69%1.9% cancelled
- Wednesday51%0.6% cancelled
- Thursday59%1.2% cancelled
- Friday56%1.8% cancelled
- Saturday59%0.0% cancelled
- Sunday62%1.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion51%
- Airline (crew, maintenance, cleaning, fueling)34%
- Late-arriving aircraft9%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather43%
- Air traffic control & airport congestion43%
- Airline (crew, maintenance, cleaning, fueling)14%
- Security0%
SBP to SFO: common questions
- How often are SBP to SFO flights on time?
- 60% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Luis Obispo to San Francisco cancelled?
- 1.2% of scheduled flights were cancelled (14 of 1,145).
- How long are typical delays?
- Across all flights the average arrival delay was 30 min (early arrivals count as zero). Flights that were late arrived 72 min behind schedule on average, and 14.6% of flights were an hour or more late.
- How long is taxi time at SBP?
- Flights on this route spent 27 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SFO to SBP — 74% on time
More flights from San Luis Obispo
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SBP → SFO, nonstop flights by US airlines that report to the DOT. How we calculate this.