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Route Reliability

San Diego → Reno

SAN–RNO · 488 miles · San Diego International Airport to Reno–Tahoe International Airport

79
Usually Fine
WanderNerd Reliability Score
79%
Arrive within 15 minutes
3 min
Average arrival delay
1.6%
Cancelled
1,344
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Alaska Airlines82%423 flights
  2. 2.Southwest Airlines77%912 flights

Not enough history to rank: Spirit Airlines (9 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

SAN–RNO flights departing between 6–9 AM arrived on time 91% of the time, versus 57% between 3–6 PM.

Thursdays have been rough.

SAN–RNO flights arrived on time 89% of the time on Wednesdays and just 69% on Thursdays. That gap is worth planning around.

Alaska Airlines has a slight edge here.

Alaska Airlines arrived on time 82% of the time on this route; Southwest Airlines managed 77%.

Slipping a little lately.

SAN–RNO flights arrived on time 77% of the time over the last three months in the data, compared with 82% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon72%(208 flights)
  • Tue88%(168 flights)
  • Wed89%(160 flights)
  • Thu69%(210 flights)
  • Fri74%(211 flights)
  • Sat88%(144 flights)
  • Sun79%(218 flights)
On-time by departure window
  • 6–9 AM91%(197 flights)
  • 9 AM–12 PM89%(280 flights)
  • 12–3 PM75%(99 flights)
  • 3–6 PM57%(199 flights)
  • 6–9 PM80%(337 flights)
  • 9 PM–12 AM74%(207 flights)
On-time trend by month
77%
May

Jun 79% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%84
July 202582%87
August 202575%87
September 202574%77
October 202577%105
November 202579%125
December 202577%128
January 202683%123
February 202685%123
March 202681%133
April 202673%123
May 202677%124

Keep nerding

Based on 1,344 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.