Which airline is most reliable for IAD (Washington) to DTW (Detroit)?

The most reliable airline on the IAD to DTW route is Endeavor Air, with an on-time arrival rate of 92%.

How often are flights delayed from IAD to DTW?

About 21% of flights from IAD to DTW experience delays. 79% arrive on time.

What's the average delay on IAD to DTW flights?

When flights from IAD to DTW are delayed, the average delay is approximately 104 minutes.

Is a short connection safe after a IAD to DTW flight?

With 79% of IAD to DTW flights arriving on time and an average delay of 104 minutes when late, a connection under 60 minutes at DTW is risky. We recommend at least 75-90 minutes for domestic connections after this route.

IAD → DTW

IAD (Washington) to DTW (Detroit)

IAD (Washington) to DTW (Detroit) flights arrive on time 79% of the time. The most reliable airline on this route is Endeavor Air at 92%. The average delay is 104 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated August 2026.

IAD → DTW on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 79% of flights arrive on schedule.

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

Accurate?

Endeavor Air is significantly more reliable on this route at 92% on time vs Republic Airways at 75%.

Airline Comparison

Endeavor Air leads at 92% on time; Republic Airways trails at 75%.

Accurate?

Good to know

Departing from IAD

82% on time

Expect ~21 min sitting on the taxiway after your gate pushes back. IAD has long runway queues.

TSA is currently ~6 min. Best time: 4 AM (about 5 min).

More about IAD →

Arriving at DTW

80% on time

When flights into DTW are late, the average delay is 78 minutes. Build buffer if you have ground plans.

If connecting at DTW: TSA is ~7 min right now. Allow at least 60 minutes for a domestic connection.

More about DTW →Connection times at DTW →

Flight cancelled or delayed?

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Flying out of IAD? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

IAD Airport DTW Airport

Check the return: DTW → IAD

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