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Route Reliability

San Diego → Tucson

SAN–TUS · 367 miles · San Diego International Airport to Tucson International Airport

83
Pretty Reliable
WanderNerd Reliability Score
77%
Arrive within 15 minutes
7 min
Average arrival delay
0.5%
Cancelled
653
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 77% of the time across 653 flights. No comparison to make.

What the data says

Morning-you made the right choice.

SAN–TUS flights departing between 9 AM–12 PM arrived on time 88% of the time, versus 47% between 9 PM–12 AM.

Sunday scaries are real for this one.

SAN–TUS flights arrived on time 87% of the time on Saturdays and just 68% on Sundays. That gap is worth planning around.

Slipping a little lately.

SAN–TUS 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
  • Mon75%(104 flights)
  • Tue77%(94 flights)
  • Wed82%(94 flights)
  • Thu75%(100 flights)
  • Fri78%(102 flights)
  • Sat87%(52 flights)
  • Sun68%(104 flights)
On-time by departure window
  • 6–9 AM87%(143 flights)
  • 9 AM–12 PM88%(129 flights)
  • 12–3 PM68%(50 flights)
  • 3–6 PM83%(93 flights)
  • 6–9 PM66%(203 flights)
  • 9 PM–12 AM47%(32 flights)
On-time trend by month
77%
May

Jun 80% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%55
July 202567%57
August 202567%48
September 202580%46
October 202584%56
November 202574%54
December 202567%57
January 202687%55
February 202687%52
March 202686%58
April 202664%56
May 202677%56

Keep nerding

Based on 653 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.