Flight Check

Best Airline: SAT to BOS

San Antonio to Boston — airline reliability comparison

JetBlue Airways is the most reliable airline on the SAT to BOS route with a 68% on-time rate, compared to Delta Air Lines at 64%. Based on 654 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

JetBlue Airways68%
Delta Air Lines64%

SAT to BOS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
JetBlue AirwaysB6Best68%1.3%90m654
Delta Air LinesDLWorst64%1.8%89m593

Route Overview

66%
Overall On-Time
89m
Avg Delay
1.6%
Cancel Rate
1,247
Total Flights
SAT to BOS Route DetailsReturn: BOS to SAT
SAT AirportBOS Airport

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