Route · PSC → SFO · 2020–2025 BTS data
Pasco/Kennewick/Richland to San Francisco
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PSC to SFO (Pasco/Kennewick/Richland to San Francisco) ranks #3570 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 78.7%
- On-time
- -0.3 pts
- vs US avg
- 85 min
- Delay when late
- 2,436
- Flights
- #3570 of 4927
- Corpus placement
Cancelled
0.4%
Best Month
Jun 2025 95%
Worst Month
Dec 2023 65%
Distance
620 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 62 | 8 | 1 | 0 | OO |
| Nov 2025 | 59 | 7 | 0 | 0 | OO |
| Oct 2025 | 62 | 12 | 0 | 0 | OO |
| Sep 2025 | 49 | 3 | 0 | 0 | OO |
| Aug 2025 | 56 | 10 | 0 | 0 | OO |
| Jul 2025 | 61 | 11 | 0 | 0 | OO |
| Jun 2025 | 60 | 3 | 0 | 0 | OO |
| May 2025 | 60 | 11 | 0 | 0 | OO |
| Apr 2025 | 59 | 12 | 0 | 0 | OO |
| Mar 2025 | 59 | 7 | 0 | 0 | OO |
| Feb 2025 | 57 | 14 | 0 | 0 | OO |
| Jan 2025 | 62 | 10 | 0 | 0 | OO |
| Dec 2024 | 61 | 15 | 0 | 0 | OO |
| Nov 2024 | 59 | 9 | 0 | 1 | OO |
| Oct 2024 | 62 | 6 | 0 | 0 | OO |
| Sep 2024 | 57 | 9 | 0 | 0 | OO |
| Aug 2024 | 31 | 5 | 0 | 0 | OO |
| Jul 2024 | 31 | 2 | 0 | 0 | OO |
| Apr 2024 | 30 | 15 | 0 | 0 | OO |
| Mar 2024 | 38 | 9 | 1 | 0 | OO |
| Feb 2024 | 43 | 16 | 2 | 1 | OO |
| Jan 2024 | 40 | 16 | 0 | 0 | OO |
| Dec 2023 | 60 | 21 | 1 | 0 | OO |
| Nov 2023 | 59 | 11 | 0 | 0 | OO |
PSC–SFO seasonal on-time pattern
Best: November (84.0%) · weakest: January (65.1%)
Strongest calendar month
November
84.0% on-time · ~47 flights/mo
Busiest calendar month
June
~52 flights/mo avg
Weakest calendar month
January
65.1% on-time · ~39 flights/mo
Cancellation Rate
0.4%
5 of 1,277 flights
Diversion Rate
0.2%
2 of 1,277 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PSC - Pasco/Kennewick/Richland
Full on-time, delay-cause, and seasonal performance for Pasco/Kennewick/Richland, WA.
PSC on-time profileSFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
SFO on-time profileCompare the two airports
See PSC and SFO side by side on delays, cancellations, and reliability.
Compare PSC vs SFOOrigin-hub reliability standing
Mid-pack among PSC departures
From PSC, this corridor sits with 1 other 75–85% on-time routes out of 6 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 0 below 75%). Destination: San Francisco · fleet on-time rank #3615 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to PSC–SFO.
Routes with a similar on-time rate
What the Data Says About PSC to SFO
2,436 tracked flights put the PSC to SFO pairing (Pasco/Kennewick/Richland to San Francisco) at a 78.7% on-time rate, squarely in line with the wider network. Delays that do occur run 85.2 minutes on average. Across the 620-mile route and its 1 carrier, the trailing 24 months show 0.4% cancelled and 0.2% diverted (1,277 flights sampled).
The monthly split is wide on this route: Jun 2025 posted the strongest performance at 95% on-time, while Dec 2023 came in at just 65% - a 30-point swing worth factoring into travel timing.
On the multi-year calendar, PSC–SFO peaks in November at 84.0% on-time while June carries the heaviest traffic (~52 flights per month) ; the softest month is January at 65.1%, a 18.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does PSC to SFO rank among US routes by traffic? ▼
How often are flights delayed from PSC to SFO? ▼
What is the cancellation rate for PSC to SFO? ▼
How far is the flight from PSC to SFO? ▼
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Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using PSC–SFO data
PSC–SFO is mid-pack at 78.7% on-time; month and carrier mix move more than the corridor headline.
- Compare PSC and SFO airport profiles: delay causes and top routes differ even on the same corridor. PSC airport
- If your dates flex, November (84.0% on-time) beats January (65.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 78.7% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.