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Airport · PUW · Pullman, Washington

Pullman, WA

Pullman, WA posts top-quartile on-time performance among the 382 tracked U.S. airports, as a smaller regional airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 4,696 flights (2020–2025); its biggest delay driver is late aircraft.

Data updated 2026-06-13

86.6%
On-time
Top 19%
on-time, US airports
62 min
Delay when late
1.13%
Cancelled

Key Performance Metrics

Total Flights

4,696

Best Month

May 97.3%

Worst Month

Dec 77.9%

Delayed

629

Cancelled

53

PUW on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%86.6%

Where PUW sits among all 382 tracked airports

PUW's 86.6% on-time rate falls in the 85-90% band, the 116-airport band it shares.

National on-time-rate distribution

airports

What this shows PUW is marked in the 85-90% band.

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 20,247.

Late Aircraft 42.6% (8,629 min)
Carrier 28.4% (5,743 min)
NAS (National Aviation System) 12.7% (2,576 min)
Weather 16.0% (3,245 min)
Security 0.3% (54 min)

PUW - seasonal on-time pattern

Best: May (97.3%) · worst: December (77.9%)

75%80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 77.9%

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: May (97.3% on-time). Most delays: December (77.9% on-time).

Month Avg Flights Avg Delayed Avg Cancelled On-Time %
December 192 67 10 77.9%
November 201 38 1 87.6%
October 237 20 0 94.9%
September 272 23 0 96.3%
August 218 29 2 93.3%
July 208 25 0 94.7%
June 200 29 1 93.3%
May 187 12 3 97.3%
April 153 12 1 96.1%
March 146 14 1 95.2%
February 160 23 5 91.6%
January 175 26 4 92.9%

Year-Over-Year Performance

Annual flight volume and on-time trends at PUW.

PUW - on-time rate by year

2021–2022, year-over-year trend.

91.5%92%92.5%93%93.5%94% 20212022 93.6% 92% ▼ -1.7%
Year Flights Delayed Cancelled On-Time %
2022 2,764 221 32 92%
2021 1,932 124 21 93.6%

Cancellation & Diversion Analysis

Flight disruption statistics for Pullman, WA.

Cancellation Rate

1.13%

53 of 4,696 flights

Diversion Rate

0.06%

3 of 4,696 flights

Delay Rate

13.4%

629 of 4,696 flights

Monthly Performance

Recent 24 months of flight data.

Period Flights Dep Delayed Arr Delayed Cancelled Diverted
Dec 2022 214 50 26 16 1
Nov 2022 244 38 18 1 0
Oct 2022 293 19 11 0 1
Sep 2022 319 14 20 0 0
Aug 2022 230 15 11 1 0
Jul 2022 230 9 8 0 0
Jun 2022 220 13 18 0 0
May 2022 226 8 9 5 0
Apr 2022 186 9 6 2 0
Mar 2022 168 7 9 0 0
Feb 2022 208 17 12 1 0
Jan 2022 226 22 24 6 1
Dec 2021 170 35 22 4 0
Nov 2021 158 12 8 1 0
Oct 2021 180 5 4 0 0
Sep 2021 224 6 6 0 0
Aug 2021 206 14 18 2 0
Jul 2021 186 13 19 0 0
Jun 2021 180 14 13 2 0
May 2021 148 2 4 0 0
Apr 2021 120 3 5 0 0
Mar 2021 124 7 4 2 0
Feb 2021 112 10 7 9 0
Jan 2021 124 3 2 1 0

Top Routes from PUW

Busiest routes to and from Pullman, WA.

Route Flights On-Time Distance
PUW (Pullman) → SEA (Seattle) 1,990 84.9% 250 mi
SEA (Seattle) → PUW (Pullman) 1,990 88% 250 mi

What the Data Says About PUW

Pullman, WA in Pullman, Washington handled 4,696 flights in the Bureau of Transportation Statistics dataset between 2021 and 2022, posting a 86.6% on-time departure rate. Of those flights, 629 experienced delays, 53 were cancelled, and 3 were diverted. The cancellation rate works out to 1.13%, the diversion rate to 0.06%, and the average delay when departures run late is 61.8 minutes. These figures are the baseline for comparing PUW against other airports in the same state and nationally.

Breaking down what drives delays at PUW, Late Aircraft leads the pack. Late Aircraft accounts for 42.6% of total delay minutes, followed by Carrier at 28.4% and Weather at 16.0%. Weather contributes 16.0% of delay minutes at this airport, while security holds the smallest share at 0.3%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, May runs the cleanest at PUW with a 97.3% on-time rate, while December is the roughest at 77.9% - a 19-point swing between best and worst month. Volume peaks in September, when average flights hit 272. The busiest route connecting PUW is to SEA (Seattle), with 1,990 flights at a 84.9% on-time rate. Combine these numbers - 86.6% on-time, 61.8-minute average delay, 1.13% cancellation rate, and you have a concrete picture of departure reliability at Pullman, WA.

Frequently Asked Questions

What is the on-time performance rate at Pullman, WA (PUW)?
Pullman, WA has an overall on-time departure rate of 86.6%. Out of 4,696 total flights tracked, 629 experienced delays and 53 were cancelled.
What is the most common cause of delays at PUW?
The top delay cause at Pullman, WA is Late Aircraft. Late Aircraft accounts for 42.6% of all delay minutes.
What is the average delay time at PUW?
The average delay at Pullman, WA is 61.8 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.
What is the best month to fly from PUW?
Based on historical data, May has the best on-time performance at PUW with 97.3% of flights departing on time.
What is the worst month for delays at PUW?
December tends to have the most delays at PUW, with an on-time rate of only 77.9%.
How many routes operate from PUW?
Pullman, WA serves at least 2 routes. The busiest route is PUW to SEA (Pullman - Seattle) with 1,990 flights.
What is the cancellation rate at PUW?
Pullman, WA has a cancellation rate of 1.13%, based on 53 cancelled flights out of 4,696 total flights tracked.

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Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2021–2022). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Using PUW's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.