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Route Reliability

Oakland → Portland

OAK–PDX · 543 miles · Oakland International Airport to Portland International Airport

89
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
3 min
Average arrival delay
0.6%
Cancelled
1,879
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Alaska Airlines89%674 flights
  2. 2.Southwest Airlines81%1,205 flights

What the data says

Morning flights do better here.

OAK–PDX flights departing between 3–6 AM arrived on time 99% of the time, versus 48% between 9 PM–12 AM.

Sunday scaries are real for this one.

OAK–PDX flights arrived on time 91% of the time on Tuesdays. On Sundays: 78%.

Alaska Airlines runs this route best.

Alaska Airlines arrived on time 89% of the time on this route; Southwest Airlines managed 81%.

Slipping a little lately.

OAK–PDX flights arrived on time 84% of the time over the last three months in the data, compared with 87% 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
  • Mon81%(279 flights)
  • Tue91%(262 flights)
  • Wed89%(260 flights)
  • Thu82%(271 flights)
  • Fri79%(277 flights)
  • Sat89%(216 flights)
  • Sun78%(302 flights)
On-time by departure window
  • 3–6 AM99%(84 flights)
  • 6–9 AM98%(325 flights)
  • 9 AM–12 PM92%(450 flights)
  • 12–3 PM83%(128 flights)
  • 3–6 PM69%(215 flights)
  • 6–9 PM79%(590 flights)
  • 9 PM–12 AM48%(75 flights)
On-time trend by month
77%
May

Jun 80% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%176
July 202576%180
August 202585%166
September 202587%158
October 202585%162
November 202586%148
December 202575%158
January 202695%146
February 202693%127
March 202687%143
April 202687%149
May 202677%154

Same trip, other airports

Keep nerding

Based on 1,879 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.