How often are ORD to SNA flights on time?

Flights from Chicago (ORD) to Santa Ana (SNA) arrive on time 88% of the time across 12,735 flights of official data.

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

United Airlines has the best on-time record on this route at 89% across 6,329 flights.

Route reliability

Flights from Chicago to Santa Ana arrive on time 88% of the time across 12,735 flights. Here’s how each airline really performs.

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On-time rate

12,735 flights

Airline	On-time	Flights
United Airlines	89%	6,329
American Airlines	87%	6,406

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

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

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