Which airline is most reliable for SEA (Seattle) to TPA (Tampa)?

The most reliable airline on the SEA to TPA route is Delta Air Lines, with an on-time arrival rate of 79%.

How often are flights delayed from SEA to TPA?

About 23% of flights from SEA to TPA experience delays. 77% arrive on time.

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

When flights from SEA to TPA are delayed, the average delay is approximately 51 minutes.

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

With 77% of SEA to TPA flights arriving on time and an average delay of 51 minutes when late, a connection under 60 minutes at TPA is risky. We recommend at least 75-90 minutes for domestic connections after this route.

SEA → TPA

SEA (Seattle) to TPA (Tampa)

SEA (Seattle) to TPA (Tampa) flights arrive on time 77% of the time. The most reliable airline on this route is Delta Air Lines at 79%. The average delay is 51 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 → TPA on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 77% 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 — Delta Air Lines leads slightly at 79% vs Alaska Airlines at 76%.

Airline Comparison

Delta Air Lines leads at 79% on time; Alaska Airlines trails at 76%.

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 TPA

78% on time

When flights into TPA are late, the average delay is 71 minutes. Build buffer if you have ground plans.

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

More about TPA →Connection times at TPA →

Flight cancelled or delayed?

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Flying out of SEA? We'll brief you.

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

SEA Airport TPA Airport

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