Flight Check

Best Airline: MKE to LAS

Milwaukee to Las Vegas — airline reliability comparison

Spirit Airlines is the most reliable airline on the MKE to LAS route with a 84% on-time rate, compared to Frontier Airlines at 60%. Based on 819 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 Airlines84%
Southwest Airlines83%
Frontier Airlines60%

MKE to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest84%1.4%87m819
Southwest AirlinesWN83%0.5%53m3,318
Frontier AirlinesF9Worst60%5.5%151m187

Route Overview

82%
Overall On-Time
65m
Avg Delay
0.9%
Cancel Rate
4,385
Total Flights
MKE to LAS Route DetailsReturn: LAS to MKE
MKE AirportLAS Airport

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