Indianapolis to Las Vegas — airline reliability comparison
Southwest Airlines is the most reliable airline on the IND to LAS route with a 82% on-time rate, compared to Frontier Airlines at 77%. Based on 3,722 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 |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 82% | 0.4% | 52m | 3,722 |
| Spirit AirlinesNK | 81% | 1.2% | 73m | 929 |
| Allegiant AirG4 | 78% | 5.0% | 59m | 20 |
| Frontier AirlinesF9Worst | 77% | 3.0% | 58m | 84 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.