Los Angeles to San Antonio — airline reliability comparison
SkyWest Airlines is the most reliable airline on the LAX to SAT route with a 90% on-time rate, compared to Southwest Airlines at 72%. Based on 1,774 flights tracked.
This route involves high-congestion airports, which can affect reliability regardless of airline.
Source: Bureau of Transportation Statistics. Updated October 2026.| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 90% | 0.2% | 56m | 1,774 |
| Spirit AirlinesNK | 85% | 1.1% | 74m | 888 |
| Delta Air LinesDL | 83% | 0.6% | 77m | 2,463 |
| American AirlinesAA | 81% | 0.5% | 130m | 591 |
| Southwest AirlinesWNWorst | 72% | 0.3% | 45m | 1,525 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.