Flight Check

Best Airline: COS to ORD

Colorado Springs to Chicago — airline reliability comparison

SkyWest Airlines is the most reliable airline on the COS to ORD route with a 83% on-time rate, compared to United Airlines at 82%. Based on 1,918 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

SkyWest Airlines83%
United Airlines82%

COS to ORD Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
SkyWest AirlinesOOBest83%1.3%106m1,918
United AirlinesUAWorst82%1.0%89m734

Route Overview

82%
Overall On-Time
108m
Avg Delay
1.2%
Cancel Rate
2,675
Total Flights
COS to ORD Route DetailsReturn: ORD to COS
COS AirportORD Airport

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