Frontier Airlines is the most reliable airline on the PHX to SAT route with a 93% on-time rate, compared to American Airlines at 79%. Based on 44 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PHX to SAT
Phoenix to San Antonio — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines93%
SkyWest Airlines90%
80%
Southwest Airlines79%
American Airlines79%
PHX to SAT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 93% | 0.0% | 31m | 44 |
| SkyWest AirlinesOO | 90% | 0.0% | 41m | 143 |
| MQ | 80% | 0.0% | 42m | 70 |
| Southwest AirlinesWN | 79% | 0.4% | 49m | 5,005 |
| American AirlinesAAWorst | 79% | 0.4% | 86m | 3,877 |
Route Overview
80%
Overall On-Time
64m
Avg Delay
0.4%
Cancel Rate
9,177
Total Flights
Flying out of PHX? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.