State · WA · 2020–2025 BTS data
Washington
According to PlainFlights' state traffic ranking (BTS On-Time Performance total flights), Washington ranks #12 of 53 US states by total flight operations (most flights = #1).
Data updated 2026-06-13
- 83.4%
- On-time
- +4.4 pts
- vs US avg
- 64 min
- Delay when late
- 0.74%
- Cancelled
- #12 of 53
- Corpus placement
State reliability verdict
According to U.S. DOT BTS data, Washington is a busy-book state: 2,203,929 operations at 9 airports run 83.4% on-time, 4.4 pts above the 79% U.S. average. Among tracked airports, ALW leads locally at 88.8% on-time.
- 83.4%
- statewide on-time
- +4.4 pts
- vs US average
- 9
- airports tracked
- 0.74%
- cancellation rate
On-time means arrived less than 15 minutes after schedule. Figures are historical BTS averages, not a guarantee for any single flight.
Washington vs all states by total flight operations
Where this state's BTS On-Time Performance flight count sits among every state with tracked operations (traffic density, not on-time quality)
2,203,929 Top 23% more flights than 77% of 53 states
States, banded by total BTS-tracked flights
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source BTS On-Time Performance · 2026-06-13
Airports in Washington
Washington airports ranked by on-time rate
9 BTS-tracked airports, led by ALW at 88.8%
On-time rate by airport
- ALW
Walla Walla, WA: 88.8% on-time, 4,519 flights
89 %
- YKM
Yakima, WA: 88% on-time, 2,733 flights
88 %
- EAT
Wenatchee, WA: 87.3% on-time, 2,841 flights
87 %
- PSC
Pasco/Kennewick/Richland, WA: 86.9% on-time, 63,750 flights
87 %
- PUW
Pullman, WA: 86.6% on-time, 4,696 flights
87 %
- BLI
Bellingham, WA: 85.8% on-time, 29,229 flights
86 %
- GEG
Spokane, WA: 84.4% on-time, 205,595 flights
84 %
- PAE
Everett, WA: 84.3% on-time, 19,411 flights
84 %
- SEA
Seattle, WA: 83.1% on-time, 1,871,155 flights
83 %
What this shows Airports here range from 83.1% to 88.8% on-time.
| Code | Airport | City | Flights | On-Time | Avg Delay (when late) |
|---|---|---|---|---|---|
| SEA | Seattle, WA | Seattle | 1,871,155 | 83.1% | 63.4 min |
| GEG | Spokane, WA | Spokane | 205,595 | 84.4% | 67.4 min |
| PSC | Pasco/Kennewick/Richland, WA | Pasco/Kennewick/Richland | 63,750 | 86.9% | 78.0 min |
| BLI | Bellingham, WA | Bellingham | 29,229 | 85.8% | 67.4 min |
| PAE | Everett, WA | Everett | 19,411 | 84.3% | 61.8 min |
| PUW | Pullman, WA | Pullman | 4,696 | 86.6% | 61.8 min |
| ALW | Walla Walla, WA | Walla Walla | 4,519 | 88.8% | 62.1 min |
| EAT | Wenatchee, WA | Wenatchee | 2,841 | 87.3% | 59.5 min |
| YKM | Yakima, WA | Yakima | 2,733 | 88% | 57.2 min |
Washington traffic-scale reading
The standout signal in Washington is traffic scale: 2,203,929 BTS flights place it #12 of 53 by book size. That busy-book footprint sits beside a 83.4% on-time rate (4.4 pts above the 79% U.S. average), 365,216 delayed departures, and a 0.74% cancellation rate.
As a busy-book state, Seattle, WA (SEA) in Seattle dominates the average with 1,871,155 flights at 83.1% on-time - hub delay mix swings the state figure more than a thin schedule would.
On the recent 24-month tape, delay pressure is lightest in Feb 2024 and heaviest in Dec 2025. On reliability, Walla Walla, WA (ALW) posts the highest on-time rate at 88.8% across 4,519 flights. On-time performance explained.
States With a Similar On-Time Rate
Other U.S. states whose statewide on-time rate is closest to Washington's 83.4%.
Using Washington's data
Washington's statewide on-time book is stronger than most peers; remaining risk sits in the busiest airport and delay mix, not a weak headline rate.
- Walla Walla, WA (ALW) is the most reliable airport in Washington among those with meaningful traffic. ALW profile
- Seattle, WA handles the most traffic in the state; its performance weighs heavily on the state average. SEA profile
- See how Washington compares with every other state that has BTS-tracked airports. All states
State averages are flight-weighted across all reporting airports in the state; a single busy airport can dominate the figure.
Read our methodology - how this data is sourced, computed, and verified.
Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025