Flight Check

Best Airline: LAS to SJC

Las Vegas to San Jose — airline reliability comparison

Spirit Airlines is the most reliable airline on the LAS to SJC route with a 83% on-time rate, compared to Frontier Airlines at 77%. Based on 2,117 flights tracked.

This route involves high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Spirit Airlines83%
SkyWest Airlines82%
Southwest Airlines80%
Frontier Airlines77%

LAS to SJC Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest83%0.5%58m2,117
SkyWest AirlinesOO82%0.0%137m257
Southwest AirlinesWN80%0.7%51m12,418
Frontier AirlinesF9Worst77%0.9%61m459

Route Overview

80%
Overall On-Time
53m
Avg Delay
0.7%
Cancel Rate
15,299
Total Flights
LAS to SJC Route DetailsReturn: SJC to LAS
LAS AirportSJC Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.