Flight Check

Best Airline: ORD to COS

Chicago to Colorado Springs — airline reliability comparison

United Airlines is the most reliable airline on the ORD to COS route with a 78% on-time rate, compared to SkyWest Airlines at 69%. Based on 733 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 Airlines78%
SkyWest Airlines69%

ORD to COS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest78%0.4%56m733
SkyWest AirlinesOOWorst69%1.5%65m1,922

Route Overview

72%
Overall On-Time
64m
Avg Delay
1.2%
Cancel Rate
2,675
Total Flights
ORD to COS Route DetailsReturn: COS to ORD
ORD AirportCOS Airport

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