Flight Check

Best Airline: DTW to SAN

Detroit to San Diego — airline reliability comparison

Spirit Airlines is the most reliable airline on the DTW to SAN route with a 89% on-time rate, compared to Delta Air Lines at 79%. Based on 64 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%
Delta Air Lines79%

DTW to SAN Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest89%1.5%101m64
Delta Air LinesDLWorst79%0.7%57m4,302

Route Overview

79%
Overall On-Time
56m
Avg Delay
0.8%
Cancel Rate
4,368
Total Flights
DTW to SAN Route DetailsReturn: SAN to DTW
DTW AirportSAN Airport

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