OnTimeRoutes
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SkyWest Airlines EUG to SEA on-time performance

SkyWest Airlines nonstop flights from Eugene to Seattle · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.

On-time arrivals
88%
arrived < 15 min late
Cancelled
1.4%
23 flights
Avg arrival delay
8 min
66 min when late
Rank on route
#2 of 2
route average 88% on time

Key facts

  • SkyWest Airlines flights on EUG to SEA arrived on time 88% of the time in Aug 2025 – Jul 2026.
  • 1.4% were cancelled, and 3% arrived an hour or more late.
  • That ranks #2 of 2 airlines on this route, which averaged 88% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (58%).

On-time trend by month

70%85%100%July 2025: 88.6% on time, 0.0% cancelledJul ’25August 2025: 90.2% on time, 0.0% cancelledAug ’25September 2025: 91.9% on time, 0.7% cancelledSep ’25October 2025: 87.6% on time, 0.8% cancelledOct ’25November 2025: 89.8% on time, 8.4% cancelledNov ’25December 2025: 88.2% on time, 0.0% cancelledDec ’25January 2026: 86.6% on time, 3.6% cancelledJan ’26February 2026: 91.0% on time, 0.7% cancelledFeb ’26March 2026: 87.4% on time, 3.5% cancelledMar ’26April 2026: 95.6% on time, 0.0% cancelledApr ’26May 2026: 82.4% on time, 0.0% cancelledMay ’26June 2026: 82.7% on time, 0.0% cancelledJun ’26July 2026: 88.3% on time, 0.6% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)58%
  • Late-arriving aircraft24%
  • Extreme weather11%
  • Air traffic control & airport congestion6%
  • Security0%

Other airlines on EUG to SEA

1,605 SkyWest Airlines flights tracked on this route; 23 cancelled, 2 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.