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Flight Reliability

AS 161 · Alaska Airlines

Seattle → EUG (SEA–EUG)

76
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
5 min
Average arrival delay
1.5%
Cancelled
2 min early
Median arrival delay

Based on 273 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

AS 161 departing between 6–9 PM arrived on time 84% of the time, versus 63% between 9 PM–12 AM.

Mondays have been rough.

AS 161 arrived on time 83% of the time on Saturdays and just 68% on Mondays. That gap is worth planning around.

Lagging the SEA–EUG route.

AS 161 arrived on time 74% of the time, versus 84% across the SEA–EUG route.

A bit behind the Alaska Airlines network.

AS 161 arrived on time 74% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon68%(40 flights)
  • Tue76%(37 flights)
  • Wed76%(38 flights)
  • Thu76%(38 flights)
  • Fri68%(37 flights)
  • Sat83%(40 flights)
  • Sun72%(39 flights)
On-time by departure window
  • 6–9 PM84%(141 flights)
  • 9 PM–12 AM63%(128 flights)
On-time trend by month
94%
Mar

Jun 63% → Mar 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%19
July 202559%29
August 202553%30
September 202587%30
October 202579%29
November 202569%29
December 202569%29
January 202687%30
February 202686%28
March 202694%16
Departures on time
73%
Diverted
0%
Flights flown
269
Months covered
10

Same route, other flights

Keep nerding

Based on 273 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.