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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

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

How often are flights delayed from EUG to SEA?
Flights from Eugene to Seattle have a 89.2% on-time rate based on 11,740 flights. The average delay is 77.9 minutes. The best recent month was Apr 2024 with 93% on-time.
What is the cancellation rate for EUG to SEA?
Over the last 24 months, 1.2% of flights on this route were cancelled (39 of 3,348 flights) and 0.1% were diverted.
How far is the flight from EUG to SEA?
The flight distance from Eugene (EUG) to Seattle (SEA) is approximately 234 miles. This route is served by 5 carriers.
When is the best time to fly from EUG to SEA?
The best recent month for on-time performance was Apr 2024 (93% on-time). The worst was Jun 2025 (72% on-time). Consider booking during months with historically better performance.

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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.

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

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.