Which airline is most reliable for SFO (San Francisco) to ORD (Chicago)?

The most reliable airline on the SFO to ORD route is Delta Air Lines, with an on-time arrival rate of 78%.

How often are flights delayed from SFO to ORD?

About 26% of flights from SFO to ORD experience delays. 74% arrive on time.

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

When flights from SFO to ORD are delayed, the average delay is approximately 38 minutes.

SFO → ORD

SFO (San Francisco) to ORD (Chicago)

SFO (San Francisco) to ORD (Chicago) flights arrive on time 74% of the time. The most reliable airline on this route is Delta Air Lines at 78%. The average delay is 38 minutes. Delays on this route are most often caused by air traffic and busy airspace.

Source: Bureau of Transportation Statistics. Updated March 2026.

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SFO → ORD on-time performance by month

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This route is delayed fairly often. About 74% of flights arrive on schedule.

Delays on this route are most often caused by air traffic and busy airspace.

Delta Air Lines edges out JetBlue Airways on this route — 78% vs 73% on time.

Airline Comparison

Delta Air Lines leads at 78% on time; JetBlue Airways trails at 73%.

SFO Airport ORD Airport

Check the return: ORD → SFO

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