Airport

On time

88.0%of departures left on time12 months to July 2026

Tri Cities (PSC): delays and on-time record

Name: Tri Cities (PSC): on-time record by month
Creator: On-Time Report
License: https://www.usa.gov/government-works

Pasco/Kennewick/Richland, Washington

Departures: 6,190, about 17 a day
Arrivals on time: 82.5%
Departures cancelled: 0.5%
All US departures: 76.1% left on time

Routes from PSC Live status (FAA)

88.0% of the 6,190 departures that reporting airlines scheduled from Tri Cities (PSC) left on time in the 12 months to July 2026.

82.5% of the 6,189 flights scheduled to arrive at PSC arrived on time in the 12 months to July 2026.

0.5% of the scheduled departures from PSC were cancelled in the 12 months to July 2026.

By scheduled departures in the 12 months to July 2026, PSC was number 129 of 342 airports that have a page.

Of the 5 airports in Washington that have a page, PSC was number 3.

Scheduled departures from PSC rose by 0.8% from the 12 months to July 2025 to the 12 months to July 2026.

Scheduled departures at all US airports fell by 0.2% over the same two periods.

The BTS category "Late-arriving aircraft" held 17.5% of the delay minutes of late flights from PSC in the 12 months to July 2026.

For all late US flights it held 39.7%.

A flight is considered on-time when it arrives less than 15 minutes after its published arrival time. This database contains scheduled and actual departure and arrival times reported by certified U.S. air carriers that account for at least half of one percent of domestic scheduled passenger revenues.
BTS's words. Source: Bureau of Transportation Statistics, Airline On-Time Performance Data (data profile), copied on 2 Oct 2026. Data through July 2026.

In plain words: a flight that arrives 14 minutes late is on time. A flight that arrives 15 minutes late is late. This site counts a cancelled flight and a diverted flight as not on time. The data holds domestic flights only.

This page is a monthly record, not live airport status. For delays at PSC today, see National Airspace System Status (FAA).

Since the last release

June 2026: 85.2% share of departures that left on time; 16.6 scheduled departures a day
July 2026: 86.7% share of departures that left on time; 16.3 scheduled departures a day

These are the two newest months in the BTS data. The list of changes for this airport starts with the next BTS release.

Airlines at PSC

Departures from PSC by reporting airline, 12 months to July 2026. On time: the flight arrived less than 15 minutes late.
Airline	Departures	Share of flights	On time	Average arrival delay	Cancelled
OO SkyWest Airlines	4,664	75%	87.0%	-1.5 min	0.4%
DL Delta Air Lines	592	10%	92.7%	0.9 min	0.3%
UA United Airlines	363	6%	90.1%	-6.7 min	0.8%
G4 Allegiant Air	306	5%	71.9%	28.8 min	0.3%
AS Alaska Airlines	265	4%	80.8%	3.7 min	1.5%

Airlines fly different routes at different hours, so the rows do not test one airline against another.

Routes from PSC

The 10 routes from PSC with the most flights, 12 months to July 2026.
Route	Cities	Flights	On time	Average arrival delay	Cancelled
PSC to SEA	Pasco/Kennewick/Richland to Seattle	1,727	87.7%	-0.6 min	0.9%
PSC to SLC	Pasco/Kennewick/Richland to Salt Lake City	1,178	93.5%	-5.2 min	0.2%
PSC to DEN	Pasco/Kennewick/Richland to Denver	728	88.3%	-5.7 min	0.5%
PSC to PHX	Pasco/Kennewick/Richland to Phoenix	693	88.9%	-3.4 min	0.0%
PSC to SFO	Pasco/Kennewick/Richland to San Francisco	596	70.6%	13.8 min	0.2%
PSC to MSP	Pasco/Kennewick/Richland to Minneapolis	365	91.5%	-2.4 min	0.3%
PSC to LAX	Pasco/Kennewick/Richland to Los Angeles	359	87.2%	-3.9 min	0.8%
PSC to BUR	Pasco/Kennewick/Richland to Burbank	186	81.7%	-1.6 min	1.6%
PSC to AZA	Pasco/Kennewick/Richland to Phoenix	133	73.7%	18.3 min	0.0%
PSC to LAS	Pasco/Kennewick/Richland to Las Vegas	124	75.0%	35.8 min	0.0%

A route has its own page from 120 flights in 12 months.

By hour of departure

12am

1am

2am

3am

4am

935am

936am

867am

888am

959am

8610am

8911am

9012pm

801pm

862pm

843pm

804pm

905pm

806pm

777pm

718pm

699pm

10pm

11pm

Share of departures from PSC that left less than 15 minutes late, by scheduled hour (local time), 12 months to July 2026. Highest share: 5 am to 6 am, 93.0%. Lowest share: 7 pm to 8 pm, 77.2%.

Show the 24 hours as a table

Share of departures from PSC that left less than 15 minutes late, by scheduled hour (local time), 12 months to July 2026.
Scheduled departure	Flights	Share left on time	Cancelled
5 am to 6 am	1,168	93.0%	0.3%
6 am to 7 am	927	92.7%	0.3%
7 am to 8 am	500	85.6%	0.6%
8 am to 9 am	201	88.1%	1.5%
9 am to 10 am	104	95.2%	0.0%
10 am to 11 am	97	85.6%	0.0%
11 am to 12 pm	245	89.4%	0.0%
12 pm to 1 pm	557	90.1%	0.4%
1 pm to 2 pm	726	80.0%	1.4%
2 pm to 3 pm	284	86.3%	0.4%
3 pm to 4 pm	328	83.5%	0.0%
4 pm to 5 pm	49	79.6%	0.0%
5 pm to 6 pm	637	89.5%	0.2%
6 pm to 7 pm	162	80.2%	1.2%
7 pm to 8 pm	145	77.2%	0.7%
8 pm to 9 pm	28	71.4%	0.0%
9 pm to 10 pm	32	68.8%	0.0%

Month by month

Share of scheduled departures from PSC that left on time, each month. Tick: all us departures in the same month. Columns start at 40%. Highest month: August 2025, 93.2%. Lowest month: January 2024, 72.8%.

Show the 36 months as a table

Share of scheduled departures from PSC that left on time, each month.
Month	Flights	Share left on time	All US departures
Jul 2026	505	86.7%	68.8%
Jun 2026	499	85.2%	72.2%
May 2026	497	84.5%	77.1%
Apr 2026	466	86.7%	79.1%
Mar 2026	507	89.0%	72.8%
Feb 2026	476	87.0%	78.1%
Jan 2026	518	85.3%	75.6%
Dec 2025	567	87.5%	72.0%
Nov 2025	542	87.5%	78.1%
Oct 2025	566	91.0%	80.0%
Sep 2025	488	91.4%	83.1%
Aug 2025	559	93.2%	76.8%
Jul 2025	577	89.4%	69.7%
Jun 2025	581	89.8%	71.4%
May 2025	617	92.7%	76.7%
Apr 2025	492	92.9%	80.6%
Mar 2025	494	91.5%	79.9%
Feb 2025	447	83.2%	79.2%
Jan 2025	515	85.2%	79.3%
Dec 2024	567	84.7%	77.8%
Nov 2024	501	87.6%	85.2%
Oct 2024	500	90.6%	85.5%
Sep 2024	424	88.4%	84.4%
Aug 2024	426	87.1%	75.4%
Jul 2024	462	84.8%	68.5%
Jun 2024	410	85.9%	73.7%
May 2024	425	89.4%	73.4%
Apr 2024	401	89.3%	80.5%
Mar 2024	392	91.3%	78.5%
Feb 2024	354	87.6%	84.0%
Jan 2024	371	72.8%	74.0%
Dec 2023	413	80.1%	83.1%
Nov 2023	424	85.4%	86.0%
Oct 2023	504	89.3%	83.8%
Sep 2023	489	90.2%	80.5%
Aug 2023	510	87.5%	76.7%

A page for each month

Month pages of PSC. Each cell gives the share of departures that left on time. Filled cells are the month pages that search engines list. Outlined cells stay for reference.
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2026	85	87	89	87	85	85	87
2025	85	83	92	93	93	90	89	93	91	91	88	88
2024	73	88	91	89	89	86	85	87	88	91	88	85
2023							91	88	90	89	85	80

Monthly figures of PSC (CSV)

Why flights were late

Delay minutes by BTS category, departures from PSC, 12 months to July 2026
BTS category	Share of delay minutes	All reporting airlines
Air carrierThe cause was in the control of the airline: crew, maintenance, cleaning, baggage or fuel.	53.3%	33.3%
Late-arriving aircraftThe aircraft arrived late from its earlier flight.	17.5%	39.7%
National Aviation SystemAir traffic control, airport operations, heavy traffic and weather that is not extreme.	15.0%	20.7%
Extreme weatherSevere weather that, in the airline's judgment, delayed or stopped the flight.	14.0%	6.1%
SecurityA terminal evacuation, a security breach, broken screening equipment or a long screening line.	0.1%	0.1%

71,788 delay minutes on 780 flights that arrived 15 or more minutes late. The airlines give each minute a category. What the categories mean.

Cancellations by the reason that the airline gave (30 in the period): air carrier 33%, weather 40%, national aviation system 27%, security 0%.

On time 86.7%
15 or more minutes late 12.6%
Cancelled 0.5%
Diverted 0.2%

Each scheduled departure from PSC, by its arrival at the destination, August 2025 to July 2026.

Departures and arrivals beside all US flights

PSC departures and arrivals beside all US flights, 12 months to July 2026, and PSC departures in the 12 months before.
Figure	From PSC	To PSC	All US	From PSC, 12 months before
Left on time	88.0%	82.6%	76.1%	88.7%
Arrived on time	86.7%	82.5%	76.0%	87.2%
Cancelled	0.5%	0.5%	1.8%	0.2%
Diverted	0.2%	0.2%	0.3%	0.2%
Average departure delay	12.2 min	13.6 min	17.4 min	9.3 min
Late minutes for each 100 flights	1,229	1,305	1,684	982
Scheduled flights	6,190	6,189	7,043,858	6,141

Average departure delay counts late minutes only: a flight that left early or on time counts as zero.

Other airports

The figure beside each airport is its share of departures that left on time, 12 months to July 2026.

Official pages

National Airspace System StatusFederal Aviation AdministrationThe airport events that the FAA lists now, for example ground delays and closures.
Flight DelaysUS Department of TransportationThe rules and the guidance of DOT on flight delays and tarmac delays.
Complaint, Comment, and Compliment FormUS Department of Transportation, Office of Aviation Consumer ProtectionThe DOT form for a complaint, a comment or a compliment about air travel.

Addresses checked on 2 Oct 2026. These pages belong to the agencies. This site gives no advice.

Cite this page

Embed this card on your site

Copy this code into your page. The card shows the figures above with their source. A line under the card links to this page.

<iframe src="https://ontimereport.com/embed/airport/PSC/" title="Tri Cities (PSC): on-time record, 12 months to July 2026" width="100%" height="270" style="border:0;max-width:640px" loading="lazy"></iframe>
<p style="margin:4px 0 0;font-size:13px"><a href="https://ontimereport.com/airport/PSC/">Tri Cities (PSC): on-time record, 12 months to July 2026</a>, from ontimereport.com</p>

How embedding works. It is free. Keep the link in the card and the link line under it.

On-Time Report, "Tri Cities (PSC) flight delays and on-time performance", https://ontimereport.com/airport/PSC/. Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, data through July 2026.

The address of this page does not change.

Where the figures come from

Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, the monthly files from Jul 2023 to Jul 2026. The name comes from the BTS airport lookup table. These are works of the US government. Only domestic scheduled flights of reporting airlines are in the files: international flights, charters and smaller airlines are not. TSA publishes checkpoint counts for the whole country, not for PSC; see TSA checkpoint volumes. How the figures are made. Report an error.

Questions about PSC

How late did flights leave PSC?

The average departure delay at PSC was 12.2 minutes in the 12 months to July 2026. This average counts a flight that left early or on time as zero. For all US departures, the average was 17.4 minutes in the 12 months to July 2026.

Which airlines scheduled the most departures from PSC?

SkyWest Airlines scheduled 4,664 departures from PSC, 75% of the total in the 12 months to July 2026. Delta Air Lines scheduled 592 departures from PSC, 10% of the total in the 12 months to July 2026. United Airlines scheduled 363 departures from PSC, 6% of the total in the 12 months to July 2026.

Which delay causes did airlines report for flights from PSC?

Airlines gave each delay minute of late flights from PSC a BTS category in the 12 months to July 2026. Air carrier: 53% of the delay minutes. Late-arriving aircraft: 18% of the delay minutes. National Aviation System: 15% of the delay minutes. Extreme weather: 14% of the delay minutes. Security: less than 1% of the delay minutes.

What share of flights left PSC on time before August 2025?

88.7% of the 6,141 departures left on time in the 12 months to July 2025. 88.0% left on time in the 12 months to July 2026. 0.2% were cancelled in the 12 months to July 2025.