Flight Check

Best Airline: LAS to RDU

Las Vegas to Raleigh — airline reliability comparison

Delta Air Lines is the most reliable airline on the LAS to RDU route with a 90% on-time rate, compared to Frontier Airlines at 64%. Based on 1,173 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 Lines90%
Southwest Airlines71%
Frontier Airlines64%

LAS to RDU Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest90%0.9%55m1,173
Southwest AirlinesWN71%0.8%51m601
Frontier AirlinesF9Worst64%0.5%57m282

Route Overview

79%
Overall On-Time
56m
Avg Delay
0.9%
Cancel Rate
2,118
Total Flights
LAS to RDU Route DetailsReturn: RDU to LAS
LAS AirportRDU Airport

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