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Route Reliability

San Diego → Phoenix

SAN–PHX · 304 miles · San Diego International Airport to Phoenix Sky Harbor International Airport

77
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
10 min
Average arrival delay
1.8%
Cancelled
6,290
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.American Airlines81%1,671 flights
  2. 2.Southwest Airlines77%3,193 flights
  3. 3.Alaska Airlines71%1,013 flights
  4. 4.Frontier Airlines71%413 flights

What the data says

Morning-you made the right choice.

SAN–PHX flights departing between 6–9 AM arrived on time 89% of the time, versus 69% between 3–6 PM.

Friday is doing you no favors.

SAN–PHX flights arrived on time 85% of the time on Saturdays and just 69% on Fridays. That gap is worth planning around.

American Airlines runs this route best.

American Airlines arrived on time 81% of the time on this route; Frontier Airlines managed 71%.

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
  • Mon75%(944 flights)
  • Tue83%(838 flights)
  • Wed84%(842 flights)
  • Thu72%(943 flights)
  • Fri69%(935 flights)
  • Sat85%(719 flights)
  • Sun71%(951 flights)
On-time by departure window
  • 6–9 AM89%(1217 flights)
  • 9 AM–12 PM83%(1149 flights)
  • 12–3 PM72%(1227 flights)
  • 3–6 PM69%(1242 flights)
  • 6–9 PM71%(948 flights)
  • 9 PM–12 AM70%(389 flights)
On-time trend by month
77%
May

Jun 75% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%448
July 202578%467
August 202574%467
September 202581%484
October 202573%541
November 202566%507
December 202578%543
January 202679%494
February 202682%496
March 202678%582
April 202678%566
May 202677%577

Keep nerding

Based on 6,290 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.