Tri Cities in January 2026

85.3%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 2026, reporting carriers scheduled 518 domestic departures from Tri Cities (PSC). 85.3% left less than 15 minutes late and 84.4% reached their destination on time; 0.4% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so PSC departures were 9.7 points above the national departure figure.

A year earlier, in January 2025, the airport had 515 departures with 85.2% leaving on time: a change of +0.1 points, with flights up 1%.

Flights arriving at PSC that month were on time 79.3% of the time (517 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 47%, late-arriving aircraft 23% and extreme weather 22%.

On time 84.4%
Arrived 15+ minutes late 14.9%
Cancelled 0.4%
Diverted 0.4%

Every scheduled departure from PSC in January 2026, judged by arrival at the destination.

January 2026 against a year earlier, the airport's year and the nation

Measure	Jan 2026	Jan 2025	PSC, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	85.3%	85.2%	88.0%	75.6%
Arrived on time	84.4%	85.4%	86.7%	75.3%
Cancelled	0.4%	0.0%	0.5%	4.7%
Average departure delay (late minutes only)	18.4 min	13.7 min	12.2 min	16.7 min
Scheduled departures a day	17	17	17	18,133
Scheduled departures	518	515	6,190	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	392	76%	85.7%	-1.7 min	0.3%
AS Alaska Airlines	42	8%	76.2%	11.8 min	0.0%
DL Delta Air Lines	31	6%	83.9%	2.0 min	3.2%
UA United Airlines	31	6%	93.5%	-2.9 min	0.0%
G4 Allegiant Air	22	4%	63.6%	83.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PSC–SEA	Pasco/Kennewick/Richland to Seattle	147	87.1%	5.5 min	0.0%
PSC–SLC	Pasco/Kennewick/Richland to Salt Lake City	87	87.4%	2.3 min	1.1%
PSC–DEN	Pasco/Kennewick/Richland to Denver	62	88.7%	-3.5 min	0.0%
PSC–PHX	Pasco/Kennewick/Richland to Phoenix	62	90.3%	-8.1 min	0.0%
PSC–SFO	Pasco/Kennewick/Richland to San Francisco	49	77.6%	-8.3 min	0.0%
PSC–BUR	Pasco/Kennewick/Richland to Burbank	31	67.7%	8.3 min	0.0%
PSC–MSP	Pasco/Kennewick/Richland to Minneapolis	31	90.3%	-2.1 min	0.0%
PSC–LAX	Pasco/Kennewick/Richland to Los Angeles	27	77.8%	-11.0 min	3.7%
PSC–AZA	Pasco/Kennewick/Richland to Phoenix	12	66.7%	105.7 min	0.0%
PSC–LAS	Pasco/Kennewick/Richland to Las Vegas	10	60.0%	56.2 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), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	46.9%	37.3%	4,107
Late-arriving aircraft	22.6%	35.0%	1,975
National Aviation System	8.1%	18.0%	711
Extreme weather	22.3%	9.6%	1,955
Security	0.0%	0.1%	0

8,748 delay minutes on 77 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 2026?

85.3% of 518 scheduled domestic departures left less than 15 minutes late, and 84.4% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 85.2% of 515 departures left on time and 0.0% were cancelled, against 85.3% and 0.4% in January 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; 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.