Flight Check

Best Airline: DTW to SAT

Detroit to San Antonio — airline reliability comparison

Spirit Airlines is the most reliable airline on the DTW to SAT route with a 90% on-time rate, compared to Delta Air Lines at 82%. Based on 10 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 Airlines90%
Delta Air Lines82%

DTW to SAT Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest90%0.0%310m10
Delta Air LinesDLWorst82%0.9%60m3,255

Route Overview

82%
Overall On-Time
60m
Avg Delay
0.9%
Cancel Rate
3,288
Total Flights
DTW to SAT Route DetailsReturn: SAT to DTW
DTW AirportSAT Airport

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