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Route Reliability

Seattle → EUG

SEA–EUG · 234 miles · Seattle–Tacoma International Airport to EUG Airport

86
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
1 min
Average arrival delay
1.2%
Cancelled
2,623
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines91%1,059 flights
  2. 2.Alaska Airlines79%1,564 flights

What the data says

12–3 PM has a slight edge.

Departures between 12–3 PM arrived on time 88% of the time, against 82% between 9 AM–12 PM.

Tuesday has been the better bet.

A small edge: 86% on time on Tuesdays against 80% on Fridays.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 91% of the time on this route; Alaska Airlines managed 79%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon84%(375 flights)
  • Tue86%(374 flights)
  • Wed85%(372 flights)
  • Thu84%(374 flights)
  • Fri80%(370 flights)
  • Sat83%(347 flights)
  • Sun84%(378 flights)
On-time by departure window
  • 6–9 AM87%(46 flights)
  • 9 AM–12 PM82%(669 flights)
  • 12–3 PM88%(76 flights)
  • 3–6 PM84%(740 flights)
  • 6–9 PM84%(342 flights)
  • 9 PM–12 AM84%(717 flights)
On-time trend by month
88%
May

Jun 70% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%240
July 202578%243
August 202580%246
September 202587%240
October 202591%216
November 202591%190
December 202580%189
January 202683%193
February 202689%184
March 202683%208
April 202689%209
May 202688%232

Keep nerding

Based on 2,623 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.