Airport · YKM · Yakima, Washington
Yakima, WA
Yakima, WA posts top-10% 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 2,733 flights (2020–2025); its biggest delay driver is late aircraft.
Data updated 2026-06-13
- 88%
- On-time
- Top 10%
- on-time, US airports
- 57 min
- Delay when late
- 1.24%
- Cancelled
Key Performance Metrics
Total Flights
2,733
Best Month
Jul 97.2%
Worst Month
Dec 86%
Delayed
328
Cancelled
34
YKM on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Where YKM sits among all 382 tracked airports
YKM's 88% on-time rate falls in the 85-90% band, the 116-airport band it shares.
National on-time-rate distribution
- 60-65% 1
1 airport between 60% and 65% on-time
1 airports
- 65-70% 4
4 airports between 65% and 70% on-time
4 airports
- 70-75% 9
9 airports between 70% and 75% on-time
9 airports
- 75-80% 48
48 airports between 75% and 80% on-time
48 airports
- 80-85%
192 airports between 80% and 85% on-time
192 airports
- 85-90%
116 airports between 85% and 90% on-time
116 airports
- 90-95% 12
12 airports between 90% and 95% on-time
12 airports
What this shows YKM is marked in the 85-90% band.
Delay Cause Breakdown
Top delay cause: Late Aircraft. Total delay minutes: 8,364.
YKM - seasonal on-time pattern
Best: July (97.2%) · worst: December (86%)
Seasonal Performance Patterns
Monthly averages across all years of data. Best month: July (97.2% on-time). Most delays: December (86% on-time).
| Month | Avg Flights | Avg Delayed | Avg Cancelled | On-Time % |
|---|---|---|---|---|
| December | 93 | 25 | 4 | 86% |
| November | 84 | 13 | 1 | 93.5% |
| October | 99 | 7 | 0 | 97% |
| September | 119 | 13 | 0 | 94.9% |
| August | 124 | 18 | 1 | 93.1% |
| July | 124 | 11 | 1 | 97.2% |
| June | 120 | 19 | 1 | 94.2% |
| May | 124 | 10 | 3 | 96.4% |
| April | 120 | 10 | 1 | 95.4% |
| March | 124 | 12 | 1 | 96% |
| February | 112 | 14 | 2 | 93.8% |
| January | 124 | 15 | 5 | 95.2% |
Year-Over-Year Performance
Annual flight volume and on-time trends at YKM.
YKM - on-time rate by year
2021–2022, year-over-year trend.
| Year | Flights | Delayed | Cancelled | On-Time % |
|---|---|---|---|---|
| 2022 | 1,225 | 82 | 20 | 93.3% |
| 2021 | 1,508 | 67 | 14 | 95.6% |
Cancellation & Diversion Analysis
Flight disruption statistics for Yakima, WA.
Cancellation Rate
1.24%
34 of 2,733 flights
Diversion Rate
0.00%
0 of 2,733 flights
Delay Rate
12.0%
328 of 2,733 flights
Monthly Performance
Recent 24 months of flight data.
| Period | Flights | Dep Delayed | Arr Delayed | Cancelled | Diverted |
|---|---|---|---|---|---|
| Dec 2022 | 62 | 14 | 9 | 2 | 0 |
| Nov 2022 | 58 | 6 | 6 | 1 | 0 |
| Oct 2022 | 62 | 4 | 4 | 0 | 0 |
| Sep 2022 | 71 | 5 | 7 | 0 | 0 |
| Aug 2022 | 124 | 10 | 6 | 1 | 0 |
| Jul 2022 | 124 | 2 | 4 | 1 | 0 |
| Jun 2022 | 120 | 8 | 9 | 2 | 0 |
| May 2022 | 124 | 7 | 7 | 3 | 0 |
| Apr 2022 | 120 | 10 | 8 | 1 | 0 |
| Mar 2022 | 124 | 3 | 6 | 1 | 0 |
| Feb 2022 | 112 | 5 | 6 | 0 | 0 |
| Jan 2022 | 124 | 8 | 13 | 8 | 0 |
| Dec 2021 | 124 | 12 | 14 | 5 | 0 |
| Nov 2021 | 110 | 5 | 9 | 1 | 0 |
| Oct 2021 | 136 | 2 | 3 | 0 | 0 |
| Sep 2021 | 166 | 7 | 6 | 0 | 0 |
| Aug 2021 | 124 | 7 | 12 | 1 | 0 |
| Jul 2021 | 124 | 5 | 11 | 0 | 0 |
| Jun 2021 | 120 | 6 | 14 | 0 | 0 |
| May 2021 | 124 | 2 | 4 | 2 | 0 |
| Apr 2021 | 120 | 1 | 1 | 0 | 0 |
| Mar 2021 | 124 | 7 | 8 | 0 | 0 |
| Feb 2021 | 112 | 9 | 7 | 4 | 0 |
| Jan 2021 | 124 | 4 | 5 | 1 | 0 |
Top Routes from YKM
Busiest routes to and from Yakima, WA.
| Route | Flights | On-Time | Distance |
|---|---|---|---|
| YKM (Yakima) → SEA (Seattle) | 1,338 | 89.3% | 103 mi |
| SEA (Seattle) → YKM (Yakima) | 1,337 | 87.1% | 103 mi |
Airports With a Similar On-Time Rate
Other U.S. airports nationwide whose on-time rate is closest to Yakima, WA's 88%.
Other Airports in Washington
Compare performance with other Washington airports.
Seattle, WA
Seattle · 1,871,155 flights
Spokane, WA
Spokane · 205,595 flights
Pasco/Kennewick/Richland, WA
Pasco/Kennewick/Richland · 63,750 flights
Bellingham, WA
Bellingham · 29,229 flights
Everett, WA
Everett · 19,411 flights
Pullman, WA
Pullman · 4,696 flights
Walla Walla, WA
Walla Walla · 4,519 flights
Wenatchee, WA
Wenatchee · 2,841 flights
Keep exploring
More flight data around Yakima, WA.
Washington flight data
Statewide on-time and delay aggregates, plus every reporting airport in Washington.
View WA data →Airport rankings
See where YKM sits among U.S. airports on on-time rate and average delay.
Best on-time airports →Compare airports
Put YKM head-to-head with another airport on delays and reliability.
Open comparison tool →What the Data Says About YKM
Yakima, WA in Yakima, Washington handled 2,733 flights in the Bureau of Transportation Statistics dataset between 2021 and 2022, posting a 88% on-time departure rate. Of those flights, 328 experienced delays, 34 were cancelled, and 0 were diverted. The cancellation rate works out to 1.24%, the diversion rate to 0.00%, and the average delay when departures run late is 57.2 minutes. These figures are the baseline for comparing YKM against other airports in the same state and nationally.
Breaking down what drives delays at YKM, Late Aircraft leads the pack. Late Aircraft accounts for 43.6% of total delay minutes, followed by Carrier at 25.8% and NAS (National Aviation System) at 18.2%. Weather contributes 12.3% of delay minutes at this airport, while security holds the smallest share at 0.0%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.
Seasonally, July runs the cleanest at YKM with a 97.2% on-time rate, while December is the roughest at 86% - a 11-point swing between best and worst month. Volume peaks in August, when average flights hit 124. The busiest route connecting YKM is to SEA (Seattle), with 1,338 flights at a 89.3% on-time rate. Combine these numbers - 88% on-time, 57.2-minute average delay, 1.24% cancellation rate, and you have a concrete picture of departure reliability at Yakima, WA.
Frequently Asked Questions
What is the on-time performance rate at Yakima, WA (YKM)? ▼
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What is the average delay time at YKM? ▼
What is the best month to fly from YKM? ▼
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Flight Guides
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Using YKM's data
An airport-level on-time rate is a starting point, not a guarantee for your specific flight.
- Check the busiest route from YKM before you book a connection. See top routes
- Travel in July rather than December if your dates are flexible. Seasonal patterns
- Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Related
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.