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Route Reliability

Seattle → MRY

SEA–MRY · 750 miles · Seattle–Tacoma International Airport to MRY Airport

86
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
1 min
Average arrival delay
0.3%
Cancelled
334
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 334 flights. No comparison to make.

What the data says

12–3 PM has a slight edge.

Departures between 12–3 PM arrived on time 84% of the time, against 80% between 3–6 PM.

Wednesdays have been rough.

SEA–MRY flights arrived on time 90% of the time on Tuesdays and just 71% on Wednesdays. That gap is worth planning around.

It basically never cancels.

Out of 334 scheduled flights, only 0.3% were cancelled.

Slipping a little lately.

SEA–MRY flights arrived on time 82% of the time over the last three months in the data, compared with 87% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon81%(52 flights)
  • Tue90%(41 flights)
  • Wed71%(42 flights)
  • Thu86%(50 flights)
  • Fri80%(51 flights)
  • Sat76%(42 flights)
  • Sun83%(53 flights)
On-time by departure window
  • 6–9 AM83%(42 flights)
  • 12–3 PM84%(56 flights)
  • 3–6 PM80%(233 flights)
On-time trend by month
77%
May

Jun 70% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202574%31
August 202570%30
September 202590%30
October 202590%30
November 202583%29
December 202577%30
January 202690%20
February 202694%16
March 202679%24
April 202690%30
May 202677%31

Keep nerding

Based on 334 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.