Flight Check

Best Airline: CLE to SFO

Cleveland to San Francisco — airline reliability comparison

United Airlines is the most reliable airline on the CLE to SFO route with a 87% on-time rate, compared to Frontier Airlines at 71%. Based on 1,991 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

United Airlines87%
Frontier Airlines71%

CLE to SFO Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest87%1.0%58m1,991
Frontier AirlinesF9Worst71%5.6%88m18

Route Overview

87%
Overall On-Time
61m
Avg Delay
0.9%
Cancel Rate
2,023
Total Flights
CLE to SFO Route DetailsReturn: SFO to CLE
CLE AirportSFO Airport

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