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Route Reliability

Seattle → PUW

SEA–PUW · 250 miles · Seattle–Tacoma International Airport to PUW Airport

86
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min
Average arrival delay
1.7%
Cancelled
1,049
Flights in the data

Data through May 2026.

Alaska Airlines is the only airline in this data on this route, arriving on time 85% of the time across 1,049 flights. No comparison to make.

What the data says

The late departure is the smart one here.

SEA–PUW flights departing between 9 PM–12 AM arrived on time 93% of the time, versus 79% between 9 AM–12 PM.

Sunday scaries are real for this one.

SEA–PUW flights arrived on time 90% of the time on Saturdays. On Sundays: 82%.

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
  • Mon88%(156 flights)
  • Tue86%(139 flights)
  • Wed85%(149 flights)
  • Thu82%(147 flights)
  • Fri86%(150 flights)
  • Sat90%(132 flights)
  • Sun82%(157 flights)
On-time by departure window
  • 9 AM–12 PM79%(209 flights)
  • 12–3 PM85%(153 flights)
  • 3–6 PM80%(182 flights)
  • 6–9 PM84%(135 flights)
  • 9 PM–12 AM93%(351 flights)
On-time trend by month
83%
May

Jun 67% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%88
July 202582%90
August 202582%91
September 202588%84
October 202589%85
November 202590%81
December 202579%90
January 202690%81
February 202691%75
March 202690%88
April 202695%87
May 202683%90

Keep nerding

Based on 1,049 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.