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WanderNerd

Route Reliability

San Jose → Spokane

SJCGEG · 742 miles · San José Mineta International Airport to Spokane International Airport

86
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
4 min
Average arrival delay
0%
Cancelled
263
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines78% on time · 257 flights
  • Alaska Airlines83% on time · 6 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Mornings have a slight edge.

Departures between 9 AM–12 PM arrived on time 80% of the time, against 77% between 6–9 PM.

Friday is doing you no favors.

SJC–GEG flights arrived on time 87% of the time on Saturdays. On Fridays: 74%.

It basically never cancels.

Out of 263 scheduled flights, only 0.0% were cancelled.

Trending in the right direction.

SJC–GEG flights arrived on time 81% of the time over the last three months in the data, compared with 71% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon76%(46 flights)
  • Tue77%(22 flights)
  • Wed81%(21 flights)
  • Thu75%(44 flights)
  • Fri74%(49 flights)
  • Sat87%(30 flights)
  • Sun82%(51 flights)
On-time by departure window
  • 9 AM–12 PM80%(55 flights)
  • 12–3 PM77%(176 flights)
  • 3–6 PM(6 flights)
  • 6–9 PM77%(26 flights)
On-time trend by month
73%
May

Jun 80% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202577%31
August 202590%31
September 202577%30
October 202558%19
November 202578%18
December 202547%15
February 202689%18
March 202686%22
April 202683%18
May 202673%22

Based on 263 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.