How often are ORD to PIA flights on time?

Flights from Chicago (ORD) to Peoria (PIA) arrive on time 80% of the time across 11,922 flights of official data.

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

American Airlines has the best on-time record on this route at 83% across 4,953 flights.

Route reliability

Flights from Chicago to Peoria arrive on time 80% of the time across 11,922 flights. Here’s how each airline really performs.

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On-time rate

11,922 flights

Airline	On-time	Flights
American Airlines	83%	4,953
United Airlines	78%	6,969

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

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