Route · SEA → EUG · 2020–2025 BTS data
Seattle to Eugene
The SEA–EUG corridor (Seattle, WA → Eugene, OR) runs ahead of the national average, served by 5 carriers across roughly 234 miles.
Data updated 2026-06-13
- 86.4%
- On-time
- +7.4 pts
- vs US avg
- 58 min
- Delay when late
- 11,739
- Flights
Cancelled
1.1%
Best Month
Nov 2025 90%
Worst Month
Jun 2025 71%
Distance
234 mi
Carriers
5
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 149 | 30 | 1 | 0 | AS,OO |
| Nov 2025 | 136 | 13 | 9 | 0 | OO,AS |
| Oct 2025 | 164 | 17 | 1 | 0 | AS,OO |
| Sep 2025 | 210 | 30 | 0 | 0 | OO,AS |
| Aug 2025 | 196 | 40 | 0 | 0 | OO,AS |
| Jul 2025 | 184 | 44 | 1 | 0 | AS,OO |
| Jun 2025 | 191 | 55 | 0 | 0 | AS,OO |
| May 2025 | 176 | 36 | 0 | 0 | AS,OO |
| Apr 2025 | 158 | 26 | 0 | 0 | OO,AS |
| Mar 2025 | 182 | 41 | 0 | 0 | AS,OO |
| Feb 2025 | 139 | 30 | 4 | 1 | AS,OO |
| Jan 2025 | 115 | 16 | 1 | 0 | AS,OO |
| Dec 2024 | 109 | 25 | 0 | 0 | AS,OO |
| Nov 2024 | 108 | 11 | 0 | 0 | OO,AS |
| Oct 2024 | 115 | 12 | 0 | 0 | AS,OO |
| Sep 2024 | 110 | 15 | 0 | 0 | OO,AS |
| Aug 2024 | 112 | 16 | 0 | 0 | AS,OO |
| Jul 2024 | 114 | 26 | 0 | 0 | AS,OO |
| Jun 2024 | 120 | 25 | 0 | 0 | AS,OO |
| May 2024 | 115 | 13 | 1 | 0 | AS,OO |
| Apr 2024 | 109 | 16 | 0 | 0 | OO |
| Mar 2024 | 116 | 15 | 0 | 0 | AS,OO |
| Feb 2024 | 110 | 14 | 1 | 0 | AS,OO |
| Jan 2024 | 112 | 24 | 17 | 0 | AS,OO |
Cancellation Rate
1.1%
36 of 3,350 flights
Diversion Rate
0.0%
1 of 3,350 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Origin airport →EUG - Eugene
Full on-time, delay-cause, and seasonal performance for Eugene, OR.
Destination airport →Compare the two airports
See SEA and EUG side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–EUG.
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What the Data Says About SEA to EUG
Seattle to Eugene (SEA to EUG) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.4% on-time rate across 11,739 flights, with delays that do happen averaging 58.0 minutes. The corridor runs roughly 234 miles and is served by 5 carriers. Over the most recent 24 months, 36 of 3,350 flights were cancelled (1.1%) and 1 diverted (0.0%).
The monthly split is wide on this route: Nov 2025 posted the strongest performance at 90% on-time, while Jun 2025 came in at just 71% - a 19-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.