PlainFlights

Route · SFO → PSC · 2020–2025 BTS data

San Francisco to Pasco/Kennewick/Richland

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to PSC (San Francisco to Pasco/Kennewick/Richland) ranks #3581 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82%
On-time
+3 pts
vs US avg
81 min
Delay when late
2,406
Flights
#3581 of 4927
Corpus placement

Cancelled

0.5%

Best Month

Nov 2025 97%

Worst Month

May 2025 72%

Distance

620 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 61 9 1 0 OO
Nov 2025 59 2 0 1 OO
Oct 2025 62 13 0 0 OO
Sep 2025 50 9 0 0 OO
Aug 2025 55 7 0 0 OO
Jul 2025 61 16 0 0 OO
Jun 2025 60 16 0 0 OO
May 2025 60 17 0 0 OO
Apr 2025 59 10 0 0 OO
Mar 2025 58 7 1 0 OO
Feb 2025 56 8 2 0 OO
Jan 2025 62 6 0 0 OO
Dec 2024 61 10 0 1 OO
Nov 2024 59 15 1 0 OO
Oct 2024 62 13 0 0 OO
Sep 2024 58 13 0 0 OO
Aug 2024 31 7 0 0 OO
Jul 2024 31 7 0 0 OO
Apr 2024 30 1 0 0 OO
Mar 2024 37 7 0 0 OO
Feb 2024 44 6 1 0 OO
Jan 2024 39 5 0 0 OO
Dec 2023 60 14 0 2 OO
Nov 2023 59 11 0 2 OO

SFO–PSC seasonal on-time pattern

Best: April (86.6%) · weakest: June (77.3%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 79.1%

Strongest calendar month

April

86.6% on-time · ~37 flights/mo

Busiest calendar month

June

~59 flights/mo avg

Weakest calendar month

June

77.3% on-time · ~59 flights/mo

Cancellation Rate

0.5%

6 of 1,274 flights

Diversion Rate

0.5%

6 of 1,274 flights

Origin-hub reliability standing

Mid-pack among SFO departures

From SFO, this corridor sits with 50 other 75–85% on-time routes out of 73 tracked departures, not the hub's reliability leaders (20 at ≥85%) and not the softest ( 3 below 75%). Destination: Pasco/Kennewick/Richland · fleet on-time rank #2376 of 4927.

What the Data Says About SFO to PSC

Bureau of Transportation Statistics records show San Francisco to Pasco/Kennewick/Richland (SFO to PSC) running a 82% on-time rate over 2,406 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 81.1 minutes. The 620-mile corridor is served by 1 carrier, and over the last 24 months 0.5% of 1,274 flights were cancelled, 0.5% diverted.

The monthly split is wide on this route: Nov 2025 posted the strongest performance at 97% on-time, while May 2025 came in at just 72% - a 25-point swing worth factoring into travel timing.

On the multi-year calendar, SFO–PSC peaks in April at 86.6% on-time while June carries the heaviest traffic (~59 flights per month) ; the softest month is June at 77.3%, a 9.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SFO to PSC rank among US routes by traffic?
According to PlainFlights' route traffic ranking, SFO to PSC ranks #3581 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SFO to PSC?
Flights from San Francisco to Pasco/Kennewick/Richland have a 82% on-time rate based on 2,406 flights. The average delay is 81.1 minutes. The best recent month was Nov 2025 with 97% on-time.
What is the cancellation rate for SFO to PSC?
Over the last 24 months, 0.5% of flights on this route were cancelled (6 of 1,274 flights) and 0.5% were diverted.
How far is the flight from SFO to PSC?
The flight distance from San Francisco (SFO) to Pasco/Kennewick/Richland (PSC) is approximately 620 miles. This route is served by 1 carrier.
When is the best time to fly from SFO to PSC?
The best recent month for on-time performance was Nov 2025 (97% on-time). The worst was May 2025 (72% on-time). Consider booking during months with historically better performance.

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.

Using SFO–PSC data

SFO–PSC runs 3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SFO and PSC airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
  • If your dates flex, April (86.6% on-time) beats June (77.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.