Flight Check

Best Airline: MCI to LAS

Kansas City to Las Vegas — airline reliability comparison

Southwest Airlines is the most reliable airline on the MCI to LAS route with a 81% on-time rate, compared to Frontier Airlines at 74%. Based on 5,747 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

Southwest Airlines81%
Spirit Airlines81%
Frontier Airlines74%

MCI to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest81%0.5%53m5,747
Spirit AirlinesNK81%1.7%68m1,468
Frontier AirlinesF9Worst74%4.2%44m28

Route Overview

80%
Overall On-Time
57m
Avg Delay
0.8%
Cancel Rate
7,271
Total Flights
MCI to LAS Route DetailsReturn: LAS to MCI
MCI AirportLAS Airport

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