Flight Check

Best Airline: MKE to ORD

Milwaukee to Chicago — airline reliability comparison

Republic Airways is the most reliable airline on the MKE to ORD route with a 85% on-time rate, compared to PSA Airlines at 63%. Based on 298 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

Republic Airways85%
77%
SkyWest Airlines75%
PSA Airlines63%

MKE to ORD Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest85%2.5%56m298
MQ77%5.3%54m291
SkyWest AirlinesOO75%2.4%83m11,187
PSA AirlinesOHWorst63%5.9%235m17

Route Overview

74%
Overall On-Time
86m
Avg Delay
2.9%
Cancel Rate
11,844
Total Flights
MKE to ORD Route DetailsReturn: ORD to MKE
MKE AirportORD Airport

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