Which airline is most reliable for BHM (Birmingham) to DEN (Denver)?

The most reliable airline on the BHM to DEN route is United Airlines, with an on-time arrival rate of 87%.

How often are flights delayed from BHM to DEN?

About 15% of flights from BHM to DEN experience delays. 85% arrive on time.

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

When flights from BHM to DEN are delayed, the average delay is approximately 71 minutes.

Is a short connection safe after a BHM to DEN flight?

With 85% of BHM to DEN flights arriving on time and an average delay of 71 minutes when late, a connection under 60 minutes at DEN is risky. We recommend at least 75-90 minutes for domestic connections after this route.

BHM → DEN

BHM (Birmingham) to DEN (Denver)

BHM (Birmingham) to DEN (Denver) flights arrive on time 85% of the time. The most reliable airline on this route is United Airlines at 87%. The average delay is 71 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated August 2026.

BHM → DEN on-time performance by month

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This route is on time most of the time. About 85% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

Airlines are roughly equal on this route — United Airlines leads slightly at 87% vs SkyWest Airlines at 85%.

Airline Comparison

United Airlines leads at 87% on time; SkyWest Airlines trails at 85%.

Accurate?

Good to know

Departing from BHM

80% on time

Expect ~18 min sitting on the taxiway after your gate pushes back. BHM has long runway queues.

TSA is currently ~5 min. Best time: 4 AM (about 5 min).

More about BHM →

Arriving at DEN

79% on time

When flights into DEN are late, the average delay is 69 minutes. Build buffer if you have ground plans.

If connecting at DEN: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.

More about DEN →Connection times at DEN →

Flight cancelled or delayed?

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BHM Airport DEN Airport

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