Which airline is most reliable for SDF (Louisville) to MIA (Miami)?

The most reliable airline on the SDF to MIA route is American Airlines, with an on-time arrival rate of 82%.

How often are flights delayed from SDF to MIA?

About 20% of flights from SDF to MIA experience delays. 80% arrive on time.

What's the average delay on SDF to MIA flights?

When flights from SDF to MIA are delayed, the average delay is approximately 104 minutes.

Is a short connection safe after a SDF to MIA flight?

With 80% of SDF to MIA flights arriving on time and an average delay of 104 minutes when late, a connection under 60 minutes at MIA is risky. We recommend at least 75-90 minutes for domestic connections after this route.

SDF → MIA

SDF (Louisville) to MIA (Miami)

SDF (Louisville) to MIA (Miami) flights arrive on time 80% of the time. The most reliable airline on this route is American Airlines at 82%. 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 October 2026.

SDF → MIA on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 80% 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 — American Airlines leads slightly at 82% vs null at 78%.

Airline Comparison

American Airlines leads at 82% on time; trails at 78%.

Accurate?

Good to know

Departing from SDF

81% on time

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

TSA is currently ~30 min. Best time: 4 AM (about 5 min).

More about SDF →

Arriving at MIA

76% on time

When flights into MIA are late, the average delay is 77 minutes. Build buffer if you have ground plans.

If connecting at MIA: TSA is ~19 min right now. Allow at least 60 minutes for a domestic connection.

More about MIA →Connection times at MIA →

Flight cancelled or delayed?

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

SDF Airport MIA Airport

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