Flight Check

Best Airline: SAT to EWR

San Antonio to Newark — airline reliability comparison

United Airlines is the most reliable airline on the SAT to EWR route with a 85% on-time rate, compared to Spirit Airlines at 76%. Based on 2,162 flights tracked.

This route involves weather-prone airports and high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

United Airlines85%
Spirit Airlines76%

SAT to EWR Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest85%1.1%88m2,162
Spirit AirlinesNKWorst76%3.7%118m198

Route Overview

84%
Overall On-Time
92m
Avg Delay
1.3%
Cancel Rate
2,389
Total Flights
SAT to EWR Route DetailsReturn: EWR to SAT
SAT AirportEWR Airport

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