Flight Check

Best Airline: DTW to RDU

Detroit to Raleigh — airline reliability comparison

Spirit Airlines is the most reliable airline on the DTW to RDU route with a 89% on-time rate, compared to Frontier Airlines at 79%. Based on 87 flights tracked.

This route involves weather-prone airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Spirit Airlines89%
Endeavor Air85%
Delta Air Lines85%
Frontier Airlines79%

DTW to RDU Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest89%0.0%51m87
Endeavor Air9E85%0.0%46m74
Delta Air LinesDL85%0.9%62m4,760
Frontier AirlinesF9Worst79%3.7%58m390

Route Overview

85%
Overall On-Time
63m
Avg Delay
1.2%
Cancel Rate
5,386
Total Flights
DTW to RDU Route DetailsReturn: RDU to DTW
DTW AirportRDU Airport

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