How often are ORD to LEX flights on time?

Flights from Chicago (ORD) to Lexington KY (LEX) arrive on time 81% of the time across 12,446 flights of official data.

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

American Airlines has the best on-time record on this route at 82% across 5,196 flights.

Route reliability

Flights from Chicago to Lexington KY arrive on time 81% of the time across 12,446 flights. Here’s how each airline really performs.

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On-time rate

12,446 flights

Airline	On-time	Flights
American Airlines	82%	5,196
United Airlines	81%	7,250

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

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