Flight Check

Best Airline: BOS to IAH

Boston to Houston — airline reliability comparison

United Airlines is the most reliable airline on the BOS to IAH route with a 83% on-time rate, compared to Spirit Airlines at 55%. Based on 5,189 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

United Airlines83%
JetBlue Airways70%
Spirit Airlines55%

BOS to IAH Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest83%1.5%66m5,189
JetBlue AirwaysB670%1.2%60m1,615
Spirit AirlinesNKWorst55%6.7%68m170

Route Overview

79%
Overall On-Time
68m
Avg Delay
1.5%
Cancel Rate
6,983
Total Flights
BOS to IAH Route DetailsReturn: IAH to BOS
BOS AirportIAH Airport

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