SFO to PSC flight delays & on-time performance
Nonstop flights from San Francisco International Airport to Tri Cities Airport · 620 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SFO or PSC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from San Francisco (SFO) to Pasco/Kennewick/Richland (PSC) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.2% were cancelled, and 7% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 9am did best (93% on time); around 10pm did worst (45%).
- Saturday was the most reliable day to fly (87% on time) and Friday the least (75%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (44%).
Which airline is most on time from SFO to PSC?
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. | 81% | 0.2% | 20 min | 6.8% | 594 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9am93%300 flights
- 10am60%53 flights
- 6pm94%16 flights
- 7pm83%55 flights
- 9pm77%105 flights
- 10pm45%55 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday82%0.0% cancelled
- Tuesday85%0.0% cancelled
- Wednesday81%0.0% cancelled
- Thursday75%1.2% cancelled
- Friday75%0.0% cancelled
- Saturday87%0.0% cancelled
- Sunday81%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)44%
- Air traffic control & airport congestion38%
- Late-arriving aircraft15%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
SFO to PSC: common questions
- How often are SFO to PSC flights on time?
- 81% 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 Francisco to Pasco/Kennewick/Richland cancelled?
- 0.2% of scheduled flights were cancelled (1 of 594).
- How long are typical delays?
- Across all flights the average arrival delay was 20 min (early arrivals count as zero). Flights that were late arrived 98 min behind schedule on average, and 6.8% of flights were an hour or more late.
- How long is taxi time at SFO?
- Flights on this route spent 25 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PSC to SFO — 71% on time
More flights from San Francisco
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SFO → PSC, nonstop flights by US airlines that report to the DOT. How we calculate this.