Which airline is most reliable for DEN (Denver) to SFO (San Francisco)?

The most reliable airline on the DEN to SFO route is Alaska Airlines, with an on-time arrival rate of 81%.

How often are flights delayed from DEN to SFO?

About 24% of flights from DEN to SFO experience delays. 76% arrive on time.

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

When flights from DEN to SFO are delayed, the average delay is approximately 40 minutes.

DEN → SFO

DEN (Denver) to SFO (San Francisco)

DEN (Denver) to SFO (San Francisco) flights arrive on time 76% of the time. The most reliable airline on this route is Alaska Airlines at 81%. The average delay is 40 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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DEN → SFO on-time performance by month

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This route is on time most of the time. About 76% of flights arrive on schedule.

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

Alaska Airlines edges out JetBlue Airways on this route — 81% vs 74% on time.

Airline Comparison

Alaska Airlines leads at 81% on time; JetBlue Airways trails at 74%.

DEN Airport SFO Airport

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