Flight Check

Best Airline: SAN to DTW

San Diego to Detroit — airline reliability comparison

Delta Air Lines is the most reliable airline on the SAN to DTW route with a 86% on-time rate, compared to Spirit Airlines at 67%. Based on 4,303 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 Lines86%
Spirit Airlines67%

SAN to DTW Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest86%0.7%55m4,303
Spirit AirlinesNKWorst67%1.5%77m64

Route Overview

86%
Overall On-Time
56m
Avg Delay
0.8%
Cancel Rate
4,369
Total Flights
SAN to DTW Route DetailsReturn: DTW to SAN
SAN AirportDTW Airport

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