Flight Check

Best Airline: ORD to MKE

Chicago to Milwaukee — airline reliability comparison

PSA Airlines is the most reliable airline on the ORD to MKE route with a 88% on-time rate, compared to SkyWest Airlines at 71%. Based on 17 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

PSA Airlines88%
Republic Airways85%
76%
SkyWest Airlines71%

ORD to MKE Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
PSA AirlinesOHBest88%5.9%641m17
Republic AirwaysYX85%1.7%46m297
MQ76%4.8%45m290
SkyWest AirlinesOOWorst71%2.3%78m11,191

Route Overview

70%
Overall On-Time
82m
Avg Delay
2.9%
Cancel Rate
11,844
Total Flights
ORD to MKE Route DetailsReturn: MKE to ORD
ORD AirportMKE Airport

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