Flight Check

Best Airline: RDU to DTW

Raleigh to Detroit — airline reliability comparison

Delta Air Lines is the most reliable airline on the RDU to DTW route with a 88% on-time rate, compared to Frontier Airlines at 77%. Based on 4,760 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

Delta Air Lines88%
Endeavor Air88%
Spirit Airlines87%
Frontier Airlines77%

RDU to DTW Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest88%0.9%94m4,760
Endeavor Air9E88%0.0%73m74
Spirit AirlinesNK87%0.0%43m87
Frontier AirlinesF9Worst77%2.7%52m390

Route Overview

87%
Overall On-Time
86m
Avg Delay
1.1%
Cancel Rate
5,386
Total Flights
RDU to DTW Route DetailsReturn: DTW to RDU
RDU AirportDTW Airport

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