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Route Reliability

RDD → Seattle

RDD–SEA · 479 miles · RDD Airport to Seattle–Tacoma International Airport

80
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
7 min
Average arrival delay
2.4%
Cancelled
336
Flights in the data

Data through May 2026.

Alaska Airlines is the only airline in this data on this route, arriving on time 81% of the time across 336 flights. No comparison to make.

What the data says

The 3–6 PM departure wins.

RDD–SEA flights departing between 3–6 PM arrived on time 84% of the time, versus 60% between 6–9 PM.

Wednesday is the weak spot.

RDD–SEA flights arrived on time 88% of the time on Sundays. On Wednesdays: 75%.

Ticking up lately.

RDD–SEA flights arrived on time 85% of the time over the last three months in the data, compared with 81% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon79%(47 flights)
  • Tue81%(47 flights)
  • Wed75%(47 flights)
  • Thu78%(46 flights)
  • Fri83%(46 flights)
  • Sat87%(47 flights)
  • Sun88%(48 flights)
On-time by departure window
  • 9 AM–12 PM77%(31 flights)
  • 12–3 PM80%(10 flights)
  • 3–6 PM84%(257 flights)
  • 6–9 PM60%(30 flights)
On-time trend by month
87%
May

Jun 57% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%30
July 202587%31
August 202571%31
September 202591%22
October 202591%11
November 202590%29
December 202563%24
January 202684%31
February 202696%28
March 202687%30
April 202680%30
May 202687%31

Keep nerding

Based on 336 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.