Flight Check

Best Airline: LAX to IAD

Los Angeles to Washington — airline reliability comparison

United Airlines is the most reliable airline on the LAX to IAD route with a 86% on-time rate, compared to American Airlines at 77%. Based on 7,654 flights tracked.

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

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

United Airlines86%
Alaska Airlines81%
American Airlines77%

LAX to IAD Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest86%0.9%59m7,654
Alaska AirlinesAS81%0.6%53m1,157
American AirlinesAAWorst77%0.0%76m116

Route Overview

86%
Overall On-Time
60m
Avg Delay
0.8%
Cancel Rate
8,938
Total Flights
LAX to IAD Route DetailsReturn: IAD to LAX
LAX AirportIAD Airport

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