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Route Reliability

Sacramento → Boise

SMF–BOI · 437 miles · Sacramento International Airport to Boise Airport

92
Nerd Approved
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min
Average arrival delay
0.3%
Cancelled
1,216
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Alaska Airlines94%365 flights
  2. 2.Southwest Airlines82%851 flights

What the data says

Morning-you made the right choice.

SMF–BOI flights departing between 6–9 AM arrived on time 95% of the time, versus 67% between 3–6 PM.

Friday is doing you no favors.

SMF–BOI flights arrived on time 91% of the time on Wednesdays. On Fridays: 82%.

Alaska Airlines runs this route best.

Alaska Airlines arrived on time 94% of the time on this route; Southwest Airlines managed 82%.

It basically never cancels.

Out of 1,216 scheduled flights, only 0.3% were cancelled.

Flights on this route

The breakdown

On-time by weekday
  • Mon86%(181 flights)
  • Tue88%(168 flights)
  • Wed91%(164 flights)
  • Thu82%(180 flights)
  • Fri82%(184 flights)
  • Sat87%(143 flights)
  • Sun83%(191 flights)
On-time by departure window
  • 6–9 AM95%(171 flights)
  • 9 AM–12 PM94%(430 flights)
  • 12–3 PM84%(179 flights)
  • 3–6 PM67%(88 flights)
  • 6–9 PM77%(281 flights)
  • 9 PM–12 AM69%(62 flights)
On-time trend by month
87%
May

Jun 82% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%109
July 202581%114
August 202590%105
September 202591%102
October 202585%88
November 202579%105
December 202582%108
January 202687%98
February 202684%97
March 202689%94
April 202689%93
May 202687%98

Keep nerding

Based on 1,216 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.