Which airline is most reliable for DSM (Des Moines) to PHL (Philadelphia)?

The most reliable airline on the DSM to PHL route is Republic Airways, with an on-time arrival rate of 85%.

How often are flights delayed from DSM to PHL?

About 18% of flights from DSM to PHL experience delays. 82% arrive on time.

What's the average delay on DSM to PHL flights?

When flights from DSM to PHL are delayed, the average delay is approximately 111 minutes.

Is a short connection safe after a DSM to PHL flight?

With 82% of DSM to PHL flights arriving on time and an average delay of 111 minutes when late, a connection under 60 minutes at PHL is risky. We recommend at least 75-90 minutes for domestic connections after this route.

DSM → PHL

DSM (Des Moines) to PHL (Philadelphia)

DSM (Des Moines) to PHL (Philadelphia) flights arrive on time 82% of the time. The most reliable airline on this route is Republic Airways at 85%. The average delay is 111 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated May 2026.

DSM → PHL on-time performance by month

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This route is on time most of the time. About 82% 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 — Republic Airways leads slightly at 85% vs PSA Airlines at 83%.

Airline Comparison

Republic Airways leads at 85% on time; PSA Airlines trails at 83%.

Accurate?

Good to know

Departing from DSM

81% on time

Expect ~17 min sitting on the taxiway after your gate pushes back. DSM has long runway queues.

TSA is currently ~19 min. Best time: 4 AM (about 5 min).

More about DSM →

Arriving at PHL

79% on time

When flights into PHL are late, the average delay is 79 minutes. Build buffer if you have ground plans.

If connecting at PHL: TSA is ~31 min right now. Allow at least 60 minutes for a domestic connection.

More about PHL →Connection times at PHL →

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