Airport · PSC · Pasco/Kennewick/Richland, Washington

Pasco/Kennewick/Richland, WA

Pasco/Kennewick/Richland, WA posts top-quartile on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 63,750 flights (2020–2025); its biggest delay driver is carrier.

Compiled by PlainFlights Editorial, Flight Performance Editorial Team

Data updated 2026-06-13

86.9%
On-time: Top 17%
on-time, US airports: 78 min
Delay when late: 0.60%
Cancelled

Key Performance Metrics

Total Flights

63,750

Best Month

Mar 96%

Worst Month

Dec 91.4%

Delayed

8,357

Cancelled

382

60-65%

1
65-70%

4
70-75%

9
75-80%

48
80-85%

192
85-90%

116
90-95%

12

What this shows PSC is marked in the 85-90% band.

Delay Cause Breakdown

Top delay cause: Carrier. Total delay minutes: 317,718.

Late Aircraft 19.4% (61,662 min)

Carrier 51.9% (164,846 min)

NAS (National Aviation System) 11.9% (37,879 min)

Weather 16.6% (52,599 min)

Security 0.2% (732 min)

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: March (96% on-time). Most delays: December (91.4% on-time).

Month	Avg Flights	Avg Delayed	Avg Cancelled	On-Time %
December	923	178	12	91.4%
November	882	114	3	93.7%
October	938	100	3	95.4%
September	901	94	2	95.4%
August	962	122	2	95%
July	979	136	2	94.5%
June	905	129	3	94.2%
May	899	98	7	95.8%
April	846	90	12	95.5%
March	883	87	7	96%
February	733	107	3	93.6%
January	775	138	8	91.8%

Year-Over-Year Performance

Annual flight volume and on-time trends at PSC.

Year	Flights	Delayed	Cancelled	On-Time %
2025	12,890	642	22	95%
2024	10,469	670	25	93.6%
2023	10,732	647	20	94%
2022	11,596	759	86	93.5%
2021	11,738	640	77	94.5%
2020	6,325	211	152	96.7%

Cancellation & Diversion Analysis

Flight disruption statistics for Pasco/Kennewick/Richland, WA.

Cancellation Rate

0.60%

382 of 63,750 flights

Diversion Rate

0.11%

73 of 63,750 flights

Delay Rate

13.1%

8,357 of 63,750 flights

Monthly Performance

Recent 24 months of flight data.

Period	Flights	Dep Delayed	Arr Delayed	Cancelled	Diverted
Dec 2025	1,135	69	107	3	3
Nov 2025	1,084	59	65	9	1
Oct 2025	1,132	49	82	2	0
Sep 2025	977	42	59	0	0
Aug 2025	1,117	35	80	3	2
Jul 2025	1,154	60	124	1	4
Jun 2025	1,161	58	120	1	0
May 2025	1,234	43	105	2	3
Apr 2025	985	35	78	0	0
Mar 2025	988	42	81	0	1
Feb 2025	894	74	98	1	0
Jan 2025	1,029	76	79	0	1
Dec 2024	1,134	85	95	2	1
Nov 2024	1,003	60	61	2	1
Oct 2024	1,000	47	65	0	0
Sep 2024	851	48	55	1	1
Aug 2024	852	55	104	0	3
Jul 2024	924	67	103	3	1
Jun 2024	820	57	94	1	0
May 2024	850	45	79	0	0
Apr 2024	802	43	55	0	1
Mar 2024	783	31	45	3	0
Feb 2024	709	41	51	3	2
Jan 2024	741	91	103	10	0

Top Routes from PSC

Busiest routes to and from Pasco/Kennewick/Richland, WA.

Route	Flights	On-Time	Distance
SEA (Seattle) → PSC (Pasco/Kennewick/Richland)	13,307	85.9%	172 mi
PSC (Pasco/Kennewick/Richland) → SEA (Seattle)	13,305	88.4%	172 mi
PSC (Pasco/Kennewick/Richland) → SLC (Salt Lake City)	6,338	92.3%	521 mi
SLC (Salt Lake City) → PSC (Pasco/Kennewick/Richland)	6,337	88.8%	521 mi
DEN (Denver) → PSC (Pasco/Kennewick/Richland)	4,225	80.7%	852 mi
PSC (Pasco/Kennewick/Richland) → DEN (Denver)	4,225	85.6%	852 mi
PSC (Pasco/Kennewick/Richland) → SFO (San Francisco)	2,436	78.7%	620 mi
SFO (San Francisco) → PSC (Pasco/Kennewick/Richland)	2,406	82%	620 mi
MSP (Minneapolis) → PSC (Pasco/Kennewick/Richland)	1,745	80.8%	1,254 mi
PSC (Pasco/Kennewick/Richland) → MSP (Minneapolis)	1,684	92.7%	1,254 mi
PHX (Phoenix) → PSC (Pasco/Kennewick/Richland)	1,117	87.7%	962 mi
PSC (Pasco/Kennewick/Richland) → PHX (Phoenix)	1,116	88.7%	962 mi

Airports With a Similar On-Time Rate

Other U.S. airports nationwide whose on-time rate is closest to Pasco/Kennewick/Richland, WA's 86.9%.

Fayetteville, NC

86.9% on-time 22,542 flights

La Crosse, WI

87% on-time 13,386 flights

Kodiak, AK

87% on-time 9,654 flights

Beaumont/Port Arthur, TX

87% on-time 9,249 flights

Pierre, SD

87% on-time 3,006 flights

Medford, OR

86.8% on-time 67,186 flights

Other Airports in Washington

Compare performance with other Washington airports.

SEA 83.1%

Seattle, WA

Seattle · 1,871,155 flights

GEG 84.4%

Spokane, WA

Spokane · 205,595 flights

BLI 85.8%

Bellingham, WA

Bellingham · 29,229 flights

PAE 84.3%

Everett, WA

Everett · 19,411 flights

PUW 86.6%

Pullman, WA

Pullman · 4,696 flights

ALW 88.8%

Walla Walla, WA

Walla Walla · 4,519 flights

EAT 87.3%

Wenatchee, WA

Wenatchee · 2,841 flights

YKM 88%

Yakima, WA

Yakima · 2,733 flights

Keep exploring

More flight data around Pasco/Kennewick/Richland, WA.

Washington flight data

Statewide on-time and delay aggregates, plus every reporting airport in Washington.

View WA data →

Airport rankings

See where PSC sits among U.S. airports on on-time rate and average delay.

Best on-time airports →

Compare airports

Put PSC head-to-head with another airport on delays and reliability.

Open comparison tool →

What the Data Says About PSC

Pasco/Kennewick/Richland, WA in Pasco/Kennewick/Richland, Washington handled 63,750 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 86.9% on-time departure rate. Of those flights, 8,357 experienced delays, 382 were cancelled, and 73 were diverted. The cancellation rate works out to 0.60%, the diversion rate to 0.11%, and the average delay when departures run late is 78.0 minutes. These figures are the baseline for comparing PSC against other airports in the same state and nationally.

Breaking down what drives delays at PSC, Carrier leads the pack. Carrier accounts for 51.9% of total delay minutes, followed by Late Aircraft at 19.4% and Weather at 16.6%. Weather contributes 16.6% of delay minutes at this airport, while security holds the smallest share at 0.2%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, March runs the cleanest at PSC with a 96% on-time rate, while December is the roughest at 91.4% - a 5-point swing between best and worst month. Volume peaks in July, when average flights hit 979. The busiest route connecting PSC is to SEA (Seattle), with 13,307 flights at a 85.9% on-time rate. Combine these numbers - 86.9% on-time, 78.0-minute average delay, 0.60% cancellation rate, and you have a concrete picture of departure reliability at Pasco/Kennewick/Richland, WA.

Frequently Asked Questions

What is the on-time performance rate at Pasco/Kennewick/Richland, WA (PSC)? ▼

Pasco/Kennewick/Richland, WA has an overall on-time departure rate of 86.9%. Out of 63,750 total flights tracked, 8,357 experienced delays and 382 were cancelled.

What is the most common cause of delays at PSC? ▼

The top delay cause at Pasco/Kennewick/Richland, WA is Carrier. Carrier accounts for 51.9% of all delay minutes.

What is the average delay time at PSC? ▼

The average delay at Pasco/Kennewick/Richland, WA is 78.0 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.

What is the best month to fly from PSC? ▼

Based on historical data, March has the best on-time performance at PSC with 96% of flights departing on time.

What is the worst month for delays at PSC? ▼

December tends to have the most delays at PSC, with an on-time rate of only 91.4%.

How many routes operate from PSC? ▼

Pasco/Kennewick/Richland, WA serves at least 12 routes. The busiest route is SEA to PSC (Seattle - Pasco/Kennewick/Richland) with 13,307 flights.

What is the cancellation rate at PSC? ▼

Pasco/Kennewick/Richland, WA has a cancellation rate of 0.60%, based on 382 cancelled flights out of 63,750 total flights tracked.

Flight Guides

Data-driven guides to help you understand airport and flight performance.

Best & Worst Airlines for On-Time Performance

Which carriers consistently outperform peers

Why Flights Get Cancelled

Cancellation causes broken down by data

How to Choose Reliable Flight Routes

Use delay data to pick flights that arrive on time

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Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Read our methodology - how this data is sourced, computed, and verified.

Using PSC's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

Check the busiest route from PSC before you book a connection. See top routes
Travel in March rather than December if your dates are flexible. Seasonal patterns
Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

All airports → | Rankings →

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 Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025 Accessed 2026-07-23

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.