Flight Check

Best Airline: DAL to LAS

Dallas to Las Vegas — airline reliability comparison

Southwest Airlines is the most reliable airline on the DAL to LAS route with a 77% on-time rate. Based on 10,397 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 Airlines77%

DAL to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest77%1.3%54m10,397

Route Overview

77%
Overall On-Time
54m
Avg Delay
1.3%
Cancel Rate
10,397
Total Flights
DAL to LAS Route DetailsReturn: LAS to DAL
DAL AirportLAS Airport

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