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Route Reliability

Spokane → San Diego

GEG–SAN · 1,027 miles · Spokane International Airport to San Diego International Airport

98
Nerd Approved
WanderNerd Reliability Score
95%
Arrive within 15 minutes
9 min early
Average arrival delay
1.1%
Cancelled
376
Flights in the data

Data through May 2026.

Airlines on this route

  • Alaska Airlines94% on time · 363 flights
  • Southwest Airlines100% on time · 13 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 100% of the time, against 94% between 6–9 AM.

Saturday comes out ahead.

A small edge: 99% on time on Saturdays against 92% on Fridays.

Ticking up lately.

GEG–SAN flights arrived on time 97% of the time over the last three months in the data, compared with 92% 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
  • Mon92%(52 flights)
  • Tue94%(52 flights)
  • Wed98%(50 flights)
  • Thu94%(50 flights)
  • Fri92%(50 flights)
  • Sat99%(65 flights)
  • Sun93%(53 flights)
On-time by departure window
  • 6–9 AM94%(348 flights)
  • 9 AM–12 PM100%(19 flights)
  • 3–6 PM—(5 flights)
On-time trend by month
94%
May

Jun 93% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202597%29
August 202597%31
September 202597%29
October 202593%29
November 202590%29
December 202587%31
January 202697%31
February 202693%28
March 202697%35
April 2026100%34
May 202694%36

Keep nerding

Based on 376 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.