How often are PIT to ORD flights on time?

Flights from Pittsburgh (PIT) to Chicago (ORD) arrive on time 90% of the time across 18,625 flights of official data.

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

United Airlines has the best on-time record on this route at 92% across 10,687 flights.

Route reliability

Flights from Pittsburgh to Chicago arrive on time 90% of the time across 18,625 flights. Here’s how each airline really performs.

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On-time rate

18,625 flights

Airline	On-time	Flights
United Airlines	92%	10,687
American Airlines	87%	7,938

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

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