Tri Cities in December 2023

80.1%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 December 2023, reporting carriers scheduled 413 domestic departures from Tri Cities (PSC). 80.1% left less than 15 minutes late and 78.2% reached their destination on time; 1.7% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so PSC departures were 3.0 points below the national departure figure.

Flights arriving at PSC that month were on time 80.6% of the time (413 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 56%, late-arriving aircraft 18% and national aviation system 17%.

On time 78.2%
Arrived 15+ minutes late 19.9%
Cancelled 1.7%
Diverted 0.2%

Every scheduled departure from PSC in December 2023, judged by arrival at the destination.

December 2023 against a year earlier, the airport's year and the nation

Measure	Dec 2023	Year earlier	PSC, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	80.1%	—	88.0%	83.1%
Arrived on time	78.2%	—	86.7%	83.8%
Cancelled	1.7%	—	0.5%	0.4%
Average departure delay (late minutes only)	24.5 min	—	12.2 min	11.6 min
Scheduled departures a day	14	—	17	19,013
Scheduled departures	413	—	6,190	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	302	73%	80.1%	14.3 min	1.7%
AS Alaska Airlines	49	12%	55.1%	30.9 min	2.0%
DL Delta Air Lines	31	8%	96.8%	-12.6 min	0.0%
G4 Allegiant Air	31	8%	77.4%	-3.3 min	3.2%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PSC–SEA	Pasco/Kennewick/Richland to Seattle	145	75.2%	13.6 min	2.8%
PSC–SLC	Pasco/Kennewick/Richland to Salt Lake City	84	88.1%	14.1 min	1.2%
PSC–DEN	Pasco/Kennewick/Richland to Denver	62	77.4%	13.3 min	0.0%
PSC–SFO	Pasco/Kennewick/Richland to San Francisco	60	63.3%	30.7 min	1.7%
PSC–MSP	Pasco/Kennewick/Richland to Minneapolis	31	96.8%	-12.6 min	0.0%
PSC–LAS	Pasco/Kennewick/Richland to Las Vegas	19	68.4%	0.9 min	0.0%
PSC–AZA	Pasco/Kennewick/Richland to Phoenix	12	91.7%	-10.7 min	8.3%

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), December 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	9.6%	37.1%	907
Late-arriving aircraft	17.5%	38.8%	1,647
National Aviation System	16.5%	17.6%	1,558
Extreme weather	56.4%	6.2%	5,314
Security	0.0%	0.3%	0

9,426 delay minutes on 82 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 December 2023?

80.1% of 413 scheduled domestic departures left less than 15 minutes late, and 78.2% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2023; 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.