Alaska Airlines is the most reliable airline on the PHX to SAN route with a 84% on-time rate, compared to SkyWest Airlines at 68%. Based on 218 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PHX to SAN
Phoenix to San Diego — airline reliability comparison
On-Time Rate by Airline
Alaska Airlines84%
Southwest Airlines77%
American Airlines76%
Frontier Airlines76%
SkyWest Airlines68%
PHX to SAN Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Alaska AirlinesASBest | 84% | 2.4% | 59m | 218 |
| Southwest AirlinesWN | 77% | 0.9% | 50m | 11,567 |
| American AirlinesAA | 76% | 0.4% | 64m | 6,060 |
| Frontier AirlinesF9 | 76% | 1.5% | 70m | 1,887 |
| SkyWest AirlinesOOWorst | 68% | 5.3% | 52m | 508 |
Route Overview
77%
Overall On-Time
57m
Avg Delay
0.9%
Cancel Rate
20,240
Total Flights
Flying out of PHX? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.