Route · EUG → SEA · 2020–2025 BTS data
Eugene to Seattle
The EUG–SEA corridor (Eugene, OR → Seattle, WA) runs ahead of the national average, served by 5 carriers across roughly 234 miles.
Data updated 2026-06-13
- 89.2%
- On-time
- +10.2 pts
- vs US avg
- 78 min
- Delay when late
- 11,740
- Flights
Cancelled
1.2%
Best Month
Apr 2024 93%
Worst Month
Jun 2025 72%
Distance
234 mi
Carriers
5
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 150 | 17 | 0 | 0 | AS,OO |
| Nov 2025 | 135 | 11 | 9 | 0 | OO,AS |
| Oct 2025 | 165 | 22 | 2 | 0 | AS,OO |
| Sep 2025 | 210 | 18 | 1 | 1 | OO,AS |
| Aug 2025 | 196 | 28 | 1 | 0 | OO,AS |
| Jul 2025 | 184 | 29 | 1 | 0 | AS,OO |
| Jun 2025 | 191 | 53 | 0 | 0 | AS,OO |
| May 2025 | 175 | 20 | 1 | 0 | AS,OO |
| Apr 2025 | 159 | 15 | 0 | 0 | OO,AS |
| Mar 2025 | 182 | 19 | 0 | 0 | AS,OO |
| Feb 2025 | 138 | 24 | 3 | 0 | AS,OO |
| Jan 2025 | 115 | 22 | 1 | 1 | AS,OO |
| Dec 2024 | 109 | 21 | 0 | 0 | AS,OO |
| Nov 2024 | 108 | 9 | 0 | 0 | OO,AS |
| Oct 2024 | 114 | 9 | 0 | 0 | AS,OO |
| Sep 2024 | 109 | 18 | 0 | 0 | OO,AS |
| Aug 2024 | 113 | 18 | 0 | 0 | AS,OO |
| Jul 2024 | 114 | 19 | 0 | 0 | AS,OO |
| Jun 2024 | 120 | 20 | 0 | 0 | AS,OO |
| May 2024 | 114 | 9 | 1 | 0 | AS,OO |
| Apr 2024 | 109 | 8 | 0 | 0 | OO |
| Mar 2024 | 116 | 15 | 0 | 0 | AS,OO |
| Feb 2024 | 110 | 12 | 1 | 0 | AS,OO |
| Jan 2024 | 112 | 24 | 18 | 0 | AS,OO |
Cancellation Rate
1.2%
39 of 3,348 flights
Diversion Rate
0.1%
2 of 3,348 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
EUG - Eugene
Full on-time, delay-cause, and seasonal performance for Eugene, OR.
Origin airport →SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Destination airport →Compare the two airports
See EUG and SEA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to EUG–SEA.
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What the Data Says About EUG to SEA
Eugene to Seattle (EUG to SEA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.2% on-time rate across 11,740 flights, with delays that do happen averaging 77.9 minutes. The corridor runs roughly 234 miles and is served by 5 carriers. Over the most recent 24 months, 39 of 3,348 flights were cancelled (1.2%) and 2 diverted (0.1%).
The monthly split is wide on this route: Apr 2024 posted the strongest performance at 93% on-time, while Jun 2025 came in at just 72% - a 20-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.