Flight Check

Best Airline: PDX to LAS

Portland to Las Vegas — airline reliability comparison

SkyWest Airlines is the most reliable airline on the PDX to LAS route with a 86% on-time rate, compared to Frontier Airlines at 73%. Based on 234 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

SkyWest Airlines86%
Spirit Airlines83%
Alaska Airlines82%
Southwest Airlines81%
Frontier Airlines73%

PDX to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
SkyWest AirlinesOOBest86%0.8%48m234
Spirit AirlinesNK83%1.4%74m2,864
Alaska AirlinesAS82%1.1%58m4,467
Southwest AirlinesWN81%0.6%53m4,292
Frontier AirlinesF9Worst73%2.9%76m1,003

Route Overview

81%
Overall On-Time
61m
Avg Delay
1.1%
Cancel Rate
12,915
Total Flights
PDX to LAS Route DetailsReturn: LAS to PDX
PDX AirportLAS Airport

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