Flight Check

Best Airline: ORD to SNA

Chicago to Santa Ana — airline reliability comparison

United Airlines is the most reliable airline on the ORD to SNA route with a 82% on-time rate, compared to American Airlines at 79%. Based on 4,158 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 Airlines82%
American Airlines79%

ORD to SNA Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest82%0.3%49m4,158
American AirlinesAAWorst79%0.9%62m3,795

Route Overview

81%
Overall On-Time
56m
Avg Delay
0.6%
Cancel Rate
7,953
Total Flights
ORD to SNA Route DetailsReturn: SNA to ORD
ORD AirportSNA Airport

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