Flight Check

Best Airline: CLE to SEA

Cleveland to Seattle — airline reliability comparison

Alaska Airlines is the most reliable airline on the CLE to SEA route with a 75% on-time rate. Based on 1,593 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

Alaska Airlines75%

CLE to SEA Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Alaska AirlinesASBest75%1.2%52m1,593

Route Overview

76%
Overall On-Time
51m
Avg Delay
1%
Cancel Rate
1,593
Total Flights
CLE to SEA Route DetailsReturn: SEA to CLE
CLE AirportSEA Airport

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