Flight Check

Best Airline: SFO to EWR

San Francisco to Newark — airline reliability comparison

Alaska Airlines is the most reliable airline on the SFO to EWR route with a 81% on-time rate, compared to United Airlines at 75%. Based on 2,614 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

Alaska Airlines81%
United Airlines75%

SFO to EWR Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Alaska AirlinesASBest81%1.6%62m2,614
United AirlinesUAWorst75%1.9%76m12,537

Route Overview

76%
Overall On-Time
75m
Avg Delay
1.8%
Cancel Rate
15,151
Total Flights
SFO to EWR Route DetailsReturn: EWR to SFO
SFO AirportEWR Airport

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