Flight Check

Best Airline: IAH to EWR

Houston to Newark — airline reliability comparison

Spirit Airlines is the most reliable airline on the IAH to EWR route with a 79% on-time rate, compared to United Airlines at 75%. Based on 1,154 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

Spirit Airlines79%
United Airlines75%

IAH to EWR Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest79%3.0%73m1,154
United AirlinesUAWorst75%2.0%74m12,070

Route Overview

76%
Overall On-Time
73m
Avg Delay
2.1%
Cancel Rate
13,225
Total Flights
IAH to EWR Route DetailsReturn: EWR to IAH
IAH AirportEWR Airport

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