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WanderNerd

Route Reliability

Sacramento → Portland

SMFPDX · 479 miles · Sacramento International Airport to Portland International Airport

90
Nerd Approved
WanderNerd Reliability Score
84%
Arrive within 15 minutes
3 min
Average arrival delay
0.6%
Cancelled
2,527
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Alaska Airlines88%1,325 flights
  2. 2.Southwest Airlines81%1,202 flights

What the data says

Morning-you made the right choice.

SMF–PDX flights departing between 3–6 AM arrived on time 96% of the time, versus 64% between 9 PM–12 AM.

Friday is doing you no favors.

SMF–PDX flights arrived on time 89% of the time on Tuesdays. On Fridays: 80%.

Alaska Airlines runs this route best.

Alaska Airlines arrived on time 88% of the time on this route; Southwest Airlines managed 81%.

Ticking up lately.

SMF–PDX flights arrived on time 89% of the time over the last three months in the data, compared with 83% 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
  • Mon84%(389 flights)
  • Tue89%(354 flights)
  • Wed88%(348 flights)
  • Thu82%(386 flights)
  • Fri80%(387 flights)
  • Sat87%(268 flights)
  • Sun83%(379 flights)
On-time by departure window
  • 3–6 AM96%(154 flights)
  • 6–9 AM93%(614 flights)
  • 9 AM–12 PM85%(119 flights)
  • 12–3 PM87%(632 flights)
  • 3–6 PM81%(219 flights)
  • 6–9 PM76%(681 flights)
  • 9 PM–12 AM64%(92 flights)
On-time trend by month
89%
May

Jun 79% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%238
July 202578%245
August 202591%231
September 202588%219
October 202579%216
November 202587%186
December 202575%215
January 202684%196
February 202689%176
March 202689%190
April 202689%193
May 202689%206

Based on 2,527 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.