How often are ORD to ATW flights on time?

Flights from Chicago (ORD) to Appleton (ATW) arrive on time 80% of the time across 18,091 flights of official data.

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

American Airlines has the best on-time record on this route at 83% across 6,640 flights.

Route reliability

Flights from Chicago to Appleton arrive on time 80% of the time across 18,091 flights. Here’s how each airline really performs.

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On-time rate

18,091 flights

Airline	On-time	Flights
American Airlines	83%	6,640
United Airlines	78%	11,451

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

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