BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SEA→EUG

Seattle, WA (SEA) to Eugene, OR (EUG) flight delay odds

83.2% of 1,951 official scheduled SEA-to-EUG flights arrived on time; 9.0% arrived at least 30 minutes late and 1.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
83.2%arrived on time
9.0%30+ min late
1.3%cancelled
1,951scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.9%all scheduled flights
120+ minutes late1.1%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+1.0 mincompleted flights

Which departure time was most reliable for SEA to EUG?

Among qualifying SEA-to-EUG departure window results, Afternoon had the highest on-time rate: 88.0% of 417 flights. Evening was lowest at 80.9% across 377 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning55681.8%9.7%1.6%
Afternoon41788.0%6.7%1.4%
Evening37780.9%10.1%0.5%
Night58183.0%9.1%1.4%

Which weekday was most reliable for SEA to EUG?

Among qualifying SEA-to-EUG weekday results, Tuesday had the highest on-time rate: 86.1% of 288 flights. Friday was lowest at 80.7% across 280 flights.

DayFlightsOn time30+ minCancelled
Monday28182.2%10.7%0.7%
Tuesday28886.1%4.5%1.4%
Wednesday28283.3%9.6%2.5%
Thursday28382.7%8.5%0.7%
Friday28080.7%11.8%2.1%
Saturday26383.7%9.9%0.4%
Sunday27483.9%8.4%1.1%

Which airline was most reliable for SEA to EUG?

Among qualifying SEA-to-EUG airline results, SkyWest Airlines had the highest on-time rate: 85.9% of 1,562 flights. Alaska Airlines was lowest at 72.5% across 389 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,56285.9%7.4%1.3%
Alaska Airlines38972.5%15.7%1.0%

Which month was most reliable for SEA to EUG?

Among qualifying SEA-to-EUG month results, April 2026 had the highest on-time rate: 90.1% of 111 flights. July 2025 was lowest at 75.5% across 184 flights.

MonthFlightsOn time30+ minCancelled
July 202518475.5%14.1%0.5%
August 202519679.6%13.3%0.0%
September 202521085.7%5.2%0.0%
October 202516489.0%6.7%0.6%
November 202513683.8%2.9%6.6%
December 202514979.2%10.1%0.7%
January 202616980.5%9.5%3.6%
February 202617487.4%7.5%0.6%
March 202617179.5%11.7%3.5%
April 202611190.1%7.2%0.0%
May 202613187.0%7.6%0.0%
June 202615685.3%10.3%0.0%

What drove SEA to EUG delay minutes?

Airline was the largest recorded SEA-to-EUG delay category, accounting for 50.4% of 16,451 BTS-attributed delay minutes during July 2025–June 2026.

Airline50.4%
Late aircraft27.4%
National airspace8.9%
Weather12.6%
Security0.6%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.