Historical on-time performance
San Diego to Phoenix
Flights on SAN–PHX arrive on time 75% of the time over the last 12 months.
based on 5,790 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- American AirlinesOn-time80%Medianon timep9045 minCancel0.7%Flights1,671
- Alaska AirlinesOn-time76%Medianon timep9035 minCancel1.8%Flights217
- Southwest AirlinesOn-time74%Medianon timep9040 minCancel1.6%Flights3,193
- Frontier AirlinesOn-time67%Medianon timep9060 minCancel2.1%Flights389
- SkyWest AirlinesOn-time63%Medianon timep9060 minCancel5.9%Flights320
Why flights run late
Delay causes
- Airline28%
- Weather3%
- Air traffic (NAS)11%
- Late aircraft58%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline29%
- Weather39%
- Air traffic (NAS)32%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 94 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SAN → PHX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 4,573 flights
- Middays77% on time · p90 40 min · 4,223 flights
- Afternoons75% on time · p90 40 min · 3,413 flights
- Evenings69% on time · p90 60 min · 2,936 flights
- Overnights67% on time · p90 55 min · 1,909 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 84% on time.
- Tuesdays84% on time · p90 25 min · 2,294 flights
- Saturdays83% on time · p90 30 min · 2,012 flights
- Wednesdays82% on time · p90 30 min · 2,340 flights
- Mondays76% on time · p90 45 min · 2,580 flights
- Thursdays73% on time · p90 45 min · 2,623 flights
- Sundays73% on time · p90 45 min · 2,564 flights
- Fridays71% on time · p90 50 min · 2,641 flights
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