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Route Reliability

Seattle → Oakland

SEA–OAK · 672 miles · Seattle–Tacoma International Airport to Oakland International Airport

81
Pretty Reliable
WanderNerd Reliability Score
77%
Arrive within 15 minutes
8 min
Average arrival delay
0.8%
Cancelled
2,516
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Alaska Airlines79%1,365 flights
  2. 2.Southwest Airlines73%1,151 flights

What the data says

Morning-you made the right choice.

SEA–OAK flights departing between 3–6 AM arrived on time 100% of the time, versus 67% between 6–9 PM.

Skip Monday if you can.

SEA–OAK flights arrived on time 83% of the time on Saturdays. On Mondays: 71%.

Alaska Airlines has a slight edge here.

Alaska Airlines arrived on time 79% of the time on this route; Southwest Airlines managed 73%.

Ticking up lately.

SEA–OAK flights arrived on time 82% of the time over the last three months in the data, compared with 78% in the three months before that.

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
  • Mon71%(374 flights)
  • Tue81%(349 flights)
  • Wed82%(353 flights)
  • Thu72%(373 flights)
  • Fri73%(365 flights)
  • Sat83%(305 flights)
  • Sun74%(375 flights)
On-time by departure window
  • 3–6 AM100%(39 flights)
  • 6–9 AM93%(440 flights)
  • 9 AM–12 PM78%(599 flights)
  • 12–3 PM78%(252 flights)
  • 3–6 PM70%(407 flights)
  • 6–9 PM67%(470 flights)
  • 9 PM–12 AM69%(287 flights)
On-time trend by month
80%
May

Jun 70% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%279
July 202571%291
August 202570%272
September 202577%255
October 202583%223
November 202582%190
December 202568%181
January 202681%165
February 202685%159
March 202680%151
April 202686%153
May 202680%175

Same trip, other airports

Keep nerding

Based on 2,516 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.