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Route Reliability

Sacramento → Spokane

SMF–GEG · 649 miles · Sacramento International Airport to Spokane International Airport

87
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
6 min
Average arrival delay
0%
Cancelled
657
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 79% of the time across 657 flights. No comparison to make.

What the data says

Morning flights do better here.

SMF–GEG flights departing between 6–9 AM arrived on time 95% of the time, versus 71% between 6–9 PM.

Friday is doing you no favors.

SMF–GEG flights arrived on time 89% of the time on Saturdays and just 71% on Fridays. That gap is worth planning around.

It basically never cancels.

Out of 657 scheduled flights, only 0.0% were cancelled.

Slipping a little lately.

SMF–GEG flights arrived on time 76% of the time over the last three months in the data, compared with 80% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon83%(106 flights)
  • Tue79%(86 flights)
  • Wed80%(83 flights)
  • Thu76%(104 flights)
  • Fri71%(107 flights)
  • Sat89%(66 flights)
  • Sun79%(105 flights)
On-time by departure window
  • 6–9 AM95%(98 flights)
  • 9 AM–12 PM87%(127 flights)
  • 12–3 PM81%(73 flights)
  • 3–6 PM—(8 flights)
  • 6–9 PM71%(259 flights)
  • 9 PM–12 AM72%(92 flights)
On-time trend by month
71%
May

Jun 77% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%78
July 202580%84
August 202580%60
September 202582%56
October 202574%57
November 202588%48
December 202570%46
January 202693%40
February 202679%43
March 202690%49
April 202668%47
May 202671%49

Keep nerding

Based on 657 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.