Which airline is most reliable for SEA (Seattle) to FLL (Fort Lauderdale)?

The most reliable airline on the SEA to FLL route is Delta Air Lines, with an on-time arrival rate of 81%.

How often are flights delayed from SEA to FLL?

About 19% of flights from SEA to FLL experience delays. 81% arrive on time.

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

When flights from SEA to FLL are delayed, the average delay is approximately 52 minutes.

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

With 81% of SEA to FLL flights arriving on time and an average delay of 52 minutes when late, a connection under 60 minutes at FLL is risky. We recommend at least 75-90 minutes for domestic connections after this route.

SEA → FLL

SEA (Seattle) to FLL (Fort Lauderdale)

SEA (Seattle) to FLL (Fort Lauderdale) flights arrive on time 81% of the time. The most reliable airline on this route is Delta Air Lines at 81%. The average delay is 52 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated October 2026.

SEA → FLL on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 81% 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 81% vs Alaska Airlines at 81%.

Airline Comparison

Delta Air Lines leads at 81% on time; Alaska Airlines trails at 81%.

Accurate?

Good to know

Departing from SEA

81% on time

Expect ~20 min sitting on the taxiway after your gate pushes back. SEA has long runway queues.

TSA is currently ~15 min. Best time: 4 AM (about 5 min).

More about SEA →

Arriving at FLL

73% on time

When flights into FLL are late, the average delay is 73 minutes. Build buffer if you have ground plans.

If connecting at FLL: TSA is ~25 min right now. Allow at least 60 minutes for a domestic connection.

More about FLL →Connection times at FLL →

Flight cancelled or delayed?

Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.

Flying out of SEA? We'll brief you.

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

SEA Airport FLL Airport

Check the return: FLL → SEA

Flying this route?

Enter your flight number for a personalized delay briefing.

Check your flight

Know someone flying soon?

Send them the link — delay data, TSA waits, weather, all free.

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