Flight Check

Best Airline: DFW to LAS

Dallas to Las Vegas — airline reliability comparison

Spirit Airlines is the most reliable airline on the DFW to LAS route with a 76% on-time rate, compared to American Airlines at 67%. Based on 3,298 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 Airlines76%
Frontier Airlines73%
American Airlines67%

DFW to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest76%1.1%75m3,298
Frontier AirlinesF973%2.0%86m3,013
American AirlinesAAWorst67%2.3%71m14,183

Route Overview

69%
Overall On-Time
73m
Avg Delay
2%
Cancel Rate
20,495
Total Flights
DFW to LAS Route DetailsReturn: LAS to DFW
DFW AirportLAS Airport

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