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Route Reliability

Reno → San Diego

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

78
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
8 min
Average arrival delay
1.3%
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 Airlines80%423 flights
  2. 2.Southwest Airlines75%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.

RNO–SAN flights departing between 3–6 AM arrived on time 92% of the time, versus 47% between 9 PM–12 AM.

Thursday is the weak spot.

RNO–SAN flights arrived on time 85% of the time on Saturdays. On Thursdays: 72%.

Alaska Airlines has a slight edge here.

Alaska Airlines arrived on time 80% of the time on this route; Southwest Airlines managed 75%.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(214 flights)
  • Tue82%(169 flights)
  • Wed80%(160 flights)
  • Thu72%(207 flights)
  • Fri73%(211 flights)
  • Sat85%(144 flights)
  • Sun73%(218 flights)
On-time by departure window
  • 3–6 AM92%(88 flights)
  • 6–9 AM86%(435 flights)
  • 9 AM–12 PM75%(280 flights)
  • 12–3 PM82%(150 flights)
  • 3–6 PM62%(265 flights)
  • 6–9 PM59%(88 flights)
  • 9 PM–12 AM47%(17 flights)
On-time trend by month
73%
May

Jun 87% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%84
July 202571%87
August 202572%87
September 202580%76
October 202576%107
November 202575%126
December 202575%129
January 202677%123
February 202679%124
March 202676%133
April 202679%123
May 202673%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.