Tri Cities in June 2026

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 June 2026, reporting carriers scheduled 499 domestic departures from Tri Cities (PSC). 85.2% left less than 15 minutes late and 83.6% reached their destination on time; 0.0% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so PSC departures were 13.0 points above the national departure figure.

A year earlier, in June 2025, the airport had 581 departures with 89.8% leaving on time: a change of −4.6 points, with flights down 14%.

Flights arriving at PSC that month were on time 80.6% of the time (499 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, national aviation system 32% and air carrier 20%.

On time 83.6%
Arrived 15+ minutes late 16.2%
Cancelled 0.0%
Diverted 0.2%

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

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

Measure	Jun 2026	Jun 2025	PSC, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	85.2%	89.8%	88.0%	72.2%
Arrived on time	83.6%	90.4%	86.7%	72.8%
Cancelled	0.0%	0.2%	0.5%	1.6%
Average departure delay (late minutes only)	13.7 min	9.4 min	12.2 min	20.6 min
Scheduled departures a day	17	19	17	20,253
Scheduled departures	499	581	6,190	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	381	76%	81.4%	4.9 min	0.0%
DL Delta Air Lines	60	12%	98.3%	-10.7 min	0.0%
UA United Airlines	30	6%	93.3%	-13.2 min	0.0%
G4 Allegiant Air	28	6%	71.4%	20.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PSC–SLC	Pasco/Kennewick/Richland to Salt Lake City	116	100.0%	-14.4 min	0.0%
PSC–SEA	Pasco/Kennewick/Richland to Seattle	96	88.5%	-5.0 min	0.0%
PSC–DEN	Pasco/Kennewick/Richland to Denver	60	93.3%	-12.1 min	0.0%
PSC–PHX	Pasco/Kennewick/Richland to Phoenix	60	83.3%	-3.2 min	0.0%
PSC–SFO	Pasco/Kennewick/Richland to San Francisco	58	24.1%	75.1 min	0.0%
PSC–LAX	Pasco/Kennewick/Richland to Los Angeles	30	86.7%	-0.9 min	0.0%
PSC–MSP	Pasco/Kennewick/Richland to Minneapolis	30	96.7%	-12.1 min	0.0%
PSC–PDX	Pasco/Kennewick/Richland to Portland	21	100.0%	-3.4 min	0.0%
PSC–AZA	Pasco/Kennewick/Richland to Phoenix	11	72.7%	15.2 min	0.0%
PSC–LAS	Pasco/Kennewick/Richland to Las Vegas	9	66.7%	38.3 min	0.0%
PSC–SNA	Pasco/Kennewick/Richland to Santa Ana	8	75.0%	8.9 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), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	19.8%	30.8%	1,304
Late-arriving aircraft	40.3%	42.1%	2,649
National Aviation System	32.3%	20.3%	2,124
Extreme weather	7.6%	6.7%	503
Security	0.0%	0.1%	0

6,580 delay minutes on 81 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 June 2026?

85.2% of 499 scheduled domestic departures left less than 15 minutes late, and 83.6% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 89.8% of 581 departures left on time and 0.2% were cancelled, against 85.2% and 0.0% in June 2026.

Provenance

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