Which airline is most reliable for LAX (Los Angeles) to ORD (Chicago)?

The most reliable airline on the LAX to ORD route is Alaska Airlines, with an on-time arrival rate of 77%.

How often are flights delayed from LAX to ORD?

About 25% of flights from LAX to ORD experience delays. 75% arrive on time.

What's the average delay on LAX to ORD flights?

When flights from LAX to ORD are delayed, the average delay is approximately 39 minutes.

LAX → ORD

LAX (Los Angeles) to ORD (Chicago)

LAX (Los Angeles) to ORD (Chicago) flights arrive on time 75% of the time. The most reliable airline on this route is Alaska Airlines at 77%. The average delay is 39 minutes. Delays on this route are most often caused by weather.

Source: Bureau of Transportation Statistics. Updated March 2026.

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LAX → ORD on-time performance by month

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This route is on time most of the time. About 75% of flights arrive on schedule.

Delays on this route are most often caused by weather.

Airlines are roughly equal on this route — Alaska Airlines leads slightly at 77% vs JetBlue Airways at 73%.

Airline Comparison

Alaska Airlines leads at 77% on time; JetBlue Airways trails at 73%.

LAX Airport ORD Airport

Check the return: ORD → LAX

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Data last updated March 2026. Source: Bureau of Transportation Statistics.