Flight Check

Best Airline: SAT to DTW

San Antonio to Detroit — airline reliability comparison

Spirit Airlines is the most reliable airline on the SAT to DTW route with a 90% on-time rate, compared to Delta Air Lines at 89%. 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 Lines89%

SAT to DTW Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest90%0.0%306m10
Delta Air LinesDLWorst89%0.9%91m3,255

Route Overview

89%
Overall On-Time
90m
Avg Delay
0.9%
Cancel Rate
3,289
Total Flights
SAT to DTW Route DetailsReturn: DTW to SAT
SAT AirportDTW Airport

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