Flight Check

Best Airline: LAS to ATL

Las Vegas to Atlanta — airline reliability comparison

Delta Air Lines is the most reliable airline on the LAS to ATL route with a 85% on-time rate, compared to Frontier Airlines at 72%. Based on 11,741 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

Delta Air Lines85%
Southwest Airlines80%
Spirit Airlines75%
Frontier Airlines72%

LAS to ATL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest85%0.9%78m11,741
Southwest AirlinesWN80%0.4%45m2,466
Spirit AirlinesNK75%1.7%70m1,773
Frontier AirlinesF9Worst72%1.6%66m1,827

Route Overview

82%
Overall On-Time
70m
Avg Delay
1%
Cancel Rate
17,814
Total Flights
LAS to ATL Route DetailsReturn: ATL to LAS
LAS AirportATL Airport

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