Tri Cities in March 2025

91.5%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 March 2025, reporting carriers scheduled 494 domestic departures from Tri Cities (PSC). 91.5% left less than 15 minutes late and 89.1% reached their destination on time; 0.0% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so PSC departures were 11.6 points above the national departure figure.

A year earlier, in March 2024, the airport had 392 departures with 91.3% leaving on time: a change of +0.2 points, with flights up 26%.

Flights arriving at PSC that month were on time 83.4% of the time (494 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 64%, national aviation system 21% and late-arriving aircraft 12%.

On time 89.1%
Arrived 15+ minutes late 10.7%
Cancelled 0.0%
Diverted 0.2%

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

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

Measure	Mar 2025	Mar 2024	PSC, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	91.5%	91.3%	88.0%	79.9%
Arrived on time	89.1%	90.8%	86.7%	79.3%
Cancelled	0.0%	0.8%	0.5%	1.2%
Average departure delay (late minutes only)	7.9 min	5.0 min	12.2 min	14.9 min
Scheduled departures a day	17	13	17	20,029
Scheduled departures	494	392	6,190	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	415	84%	89.9%	-4.8 min	0.0%
AS Alaska Airlines	31	6%	83.9%	15.4 min	0.0%
DL Delta Air Lines	23	5%	95.7%	-5.7 min	0.0%
G4 Allegiant Air	23	5%	82.6%	8.0 min	0.0%
UA United Airlines	2	0%	0.0%	25.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PSC–SEA	Pasco/Kennewick/Richland to Seattle	133	88.7%	-0.9 min	0.0%
PSC–SLC	Pasco/Kennewick/Richland to Salt Lake City	91	94.5%	-10.0 min	0.0%
PSC–PHX	Pasco/Kennewick/Richland to Phoenix	64	84.4%	-0.2 min	0.0%
PSC–DEN	Pasco/Kennewick/Richland to Denver	62	90.3%	-12.3 min	0.0%
PSC–SFO	Pasco/Kennewick/Richland to San Francisco	59	88.1%	2.4 min	0.0%
PSC–LAX	Pasco/Kennewick/Richland to Los Angeles	31	80.6%	14.5 min	0.0%
PSC–MSP	Pasco/Kennewick/Richland to Minneapolis	31	96.8%	-11.9 min	0.0%
PSC–AZA	Pasco/Kennewick/Richland to Phoenix	14	85.7%	10.4 min	0.0%
PSC–LAS	Pasco/Kennewick/Richland to Las Vegas	9	77.8%	4.2 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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	63.6%	33.0%	2,587
Late-arriving aircraft	12.1%	39.2%	492
National Aviation System	20.5%	21.9%	836
Extreme weather	3.8%	5.9%	155
Security	0.0%	0.1%	0

4,070 delay minutes on 53 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 March 2025?

91.5% of 494 scheduled domestic departures left less than 15 minutes late, and 89.1% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 91.3% of 392 departures left on time and 0.8% were cancelled, against 91.5% and 0.0% in March 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 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.