How often are ORD to MKE flights on time?

Flights from Chicago (ORD) to Milwaukee (MKE) arrive on time 78% of the time across 23,722 flights of official data.

Which airline is most reliable on the ORD to MKE route?

United Airlines has the best on-time record on this route at 78% across 14,787 flights.

Route reliability

Flights from Chicago to Milwaukee arrive on time 78% of the time across 23,722 flights. Here’s how each airline really performs.

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On-time rate

23,722 flights

Airline	On-time	Flights
United Airlines	78%	14,787
American Airlines	77%	8,935

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg MKE → ORD.

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Score real ORD–MKE flights on reliability, weather, and connection safety — not just price.