Tri Cities in July 2026

86.7%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 July 2026, reporting carriers scheduled 505 domestic departures from Tri Cities (PSC). 86.7% left less than 15 minutes late and 81.2% reached their destination on time; 0.8% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so PSC departures were 17.9 points above the national departure figure.

A year earlier, in July 2025, the airport had 577 departures with 89.4% leaving on time: a change of −2.7 points, with flights down 12%.

Flights arriving at PSC that month were on time 78.4% of the time (505 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 64%, national aviation system 23% and late-arriving aircraft 10%.

On time 81.2%
Arrived 15+ minutes late 17.4%
Cancelled 0.8%
Diverted 0.6%

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

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

Measure	Jul 2026	Jul 2025	PSC, 12 months to Jul 2026	All reported flights, Jul 2026
Departed on time	86.7%	89.4%	88.0%	68.8%
Arrived on time	81.2%	88.4%	86.7%	69.4%
Cancelled	0.8%	0.2%	0.5%	2.6%
Average departure delay (late minutes only)	10.7 min	6.4 min	12.2 min	24.1 min
Scheduled departures a day	17	19	17	21,066
Scheduled departures	505	577	6,190	631,970

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	385	76%	80.3%	6.0 min	0.3%
DL Delta Air Lines	62	12%	88.7%	0.2 min	1.6%
UA United Airlines	30	6%	93.3%	-10.7 min	3.3%
G4 Allegiant Air	28	6%	64.3%	9.4 min	3.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PSC–SLC	Pasco/Kennewick/Richland to Salt Lake City	120	91.7%	-1.6 min	0.8%
PSC–SEA	Pasco/Kennewick/Richland to Seattle	93	88.2%	-0.4 min	0.0%
PSC–DEN	Pasco/Kennewick/Richland to Denver	61	88.5%	-9.7 min	1.6%
PSC–PHX	Pasco/Kennewick/Richland to Phoenix	61	78.7%	12.6 min	0.0%
PSC–SFO	Pasco/Kennewick/Richland to San Francisco	49	30.6%	33.0 min	0.0%
PSC–LAX	Pasco/Kennewick/Richland to Los Angeles	31	80.6%	20.5 min	3.2%
PSC–MSP	Pasco/Kennewick/Richland to Minneapolis	31	90.3%	-5.7 min	0.0%
PSC–PDX	Pasco/Kennewick/Richland to Portland	31	96.8%	-1.0 min	0.0%
PSC–AZA	Pasco/Kennewick/Richland to Phoenix	10	80.0%	2.1 min	0.0%
PSC–LAS	Pasco/Kennewick/Richland to Las Vegas	9	88.9%	-5.2 min	0.0%
PSC–SNA	Pasco/Kennewick/Richland to Santa Ana	9	22.2%	35.1 min	11.1%

By scheduled departure hour

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), July 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2026	Minutes
Air carrier	64.3%	31.7%	4,104
Late-arriving aircraft	10.0%	41.8%	639
National Aviation System	22.9%	19.9%	1,459
Extreme weather	2.8%	6.5%	181
Security	0.0%	0.1%	0

6,383 delay minutes on 88 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 July 2026?

86.7% of 505 scheduled domestic departures left less than 15 minutes late, and 81.2% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 89.4% of 577 departures left on time and 0.2% were cancelled, against 86.7% and 0.8% in July 2026.

Provenance

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