Austin to Las Vegas — airline reliability comparison
is the most reliable airline on the AUS to LAS route with a 78% on-time rate, compared to Frontier Airlines at 67%. Based on 23 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 |
|---|---|---|---|---|
| MQBest | 78% | 0.0% | 64m | 23 |
| Southwest AirlinesWN | 78% | 0.6% | 51m | 7,496 |
| Spirit AirlinesNK | 76% | 1.4% | 76m | 719 |
| American AirlinesAA | 75% | 0.8% | 97m | 1,072 |
| Delta Air LinesDL | 73% | 0.6% | 79m | 1,026 |
| Frontier AirlinesF9Worst | 67% | 1.6% | 87m | 713 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.