Flight Check

Best Airline: SFO to SNA

San Francisco to Santa Ana — airline reliability comparison

United Airlines is the most reliable airline on the SFO to SNA route with a 83% on-time rate, compared to Frontier Airlines at 70%. Based on 3,330 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 Airlines83%
SkyWest Airlines80%
Alaska Airlines77%
Frontier Airlines70%

SFO to SNA Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest83%0.5%58m3,330
SkyWest AirlinesOO80%1.4%55m11,715
Alaska AirlinesAS77%0.3%61m300
Frontier AirlinesF9Worst70%2.6%101m371

Route Overview

81%
Overall On-Time
57m
Avg Delay
1.2%
Cancel Rate
15,752
Total Flights
SFO to SNA Route DetailsReturn: SNA to SFO
SFO AirportSNA Airport

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