Which airline is most reliable for SEA (Seattle) to BNA (Nashville)?

The most reliable airline on the SEA to BNA route is Delta Air Lines, with an on-time arrival rate of 83%.

How often are flights delayed from SEA to BNA?

About 22% of flights from SEA to BNA experience delays. 78% arrive on time.

What's the average delay on SEA to BNA flights?

When flights from SEA to BNA are delayed, the average delay is approximately 46 minutes.

Is a short connection safe after a SEA to BNA flight?

With 78% of SEA to BNA flights arriving on time and an average delay of 46 minutes when late, a connection under 60 minutes at BNA is risky. We recommend at least 75-90 minutes for domestic connections after this route.

SEA → BNA

SEA (Seattle) to BNA (Nashville)

SEA (Seattle) to BNA (Nashville) flights arrive on time 78% of the time. The most reliable airline on this route is Delta Air Lines at 83%. The average delay is 46 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated August 2026.

SEA → BNA on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 78% of flights arrive on schedule.

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

Accurate?

Delta Air Lines edges out Southwest Airlines on this route — 83% vs 69% on time.

Airline Comparison

Delta Air Lines leads at 83% on time; Southwest Airlines trails at 69%.

Accurate?

Good to know

Departing from SEA

80% on time

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

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

More about SEA →

Arriving at BNA

79% on time

When flights into BNA are late, the average delay is 65 minutes. Build buffer if you have ground plans.

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

More about BNA →Connection times at BNA →

Flight cancelled or delayed?

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SEA Airport BNA Airport

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