Tri Cities in January 2025

85.2%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In January 2025, reporting carriers scheduled 515 domestic departures from Tri Cities (PSC). 85.2% left less than 15 minutes late and 85.4% reached their destination on time; 0.0% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so PSC departures were 5.9 points above the national departure figure.

A year earlier, in January 2024, the airport had 371 departures with 72.8% leaving on time: a change of +12.4 points, with flights up 39%.

Flights arriving at PSC that month were on time 84.6% of the time (514 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 62%, late-arriving aircraft 16% and extreme weather 14%.

On time 85.4%
Arrived 15+ minutes late 14.4%
Cancelled 0.0%
Diverted 0.2%

Every scheduled departure from PSC in January 2025, judged by arrival at the destination.

January 2025 against a year earlier, the airport's year and the nation

Measure	Jan 2025	Jan 2024	PSC, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	85.2%	72.8%	88.0%	79.3%
Arrived on time	85.4%	71.4%	86.7%	78.6%
Cancelled	0.0%	2.7%	0.5%	3.0%
Average departure delay (late minutes only)	13.7 min	28.9 min	12.2 min	14.0 min
Scheduled departures a day	17	12	17	17,992
Scheduled departures	515	371	6,190	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	452	88%	85.6%	1.9 min	0.0%
AS Alaska Airlines	31	6%	80.6%	1.5 min	0.0%
G4 Allegiant Air	27	5%	85.2%	-12.9 min	0.0%
DL Delta Air Lines	5	1%	100.0%	-23.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PSC–SEA	Pasco/Kennewick/Richland to Seattle	153	83.0%	1.9 min	0.0%
PSC–SLC	Pasco/Kennewick/Richland to Salt Lake City	88	90.9%	-7.1 min	0.0%
PSC–DEN	Pasco/Kennewick/Richland to Denver	62	85.5%	4.0 min	0.0%
PSC–SFO	Pasco/Kennewick/Richland to San Francisco	62	83.9%	1.6 min	0.0%
PSC–PHX	Pasco/Kennewick/Richland to Phoenix	61	85.2%	-0.2 min	0.0%
PSC–LAX	Pasco/Kennewick/Richland to Los Angeles	31	77.4%	15.2 min	0.0%
PSC–MSP	Pasco/Kennewick/Richland to Minneapolis	31	93.5%	10.4 min	0.0%
PSC–AZA	Pasco/Kennewick/Richland to Phoenix	16	100.0%	-17.2 min	0.0%
PSC–LAS	Pasco/Kennewick/Richland to Las Vegas	11	63.6%	-6.6 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	61.5%	36.2%	3,959
Late-arriving aircraft	16.2%	34.7%	1,045
National Aviation System	7.4%	19.9%	476
Extreme weather	14.4%	9.1%	925
Security	0.5%	0.2%	29

6,434 delay minutes on 74 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left PSC on time in January 2025?

85.2% of 515 scheduled domestic departures left less than 15 minutes late, and 85.4% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 72.8% of 371 departures left on time and 2.7% were cancelled, against 85.2% and 0.0% in January 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for PSC · methodology · corrections.