SEA (Seattle) to FLL (Fort Lauderdale) flights arrive on time 81% of the time. The most reliable airline on this route is Alaska Airlines at 83%. The average delay is 49 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 → FLL
SEA (Seattle) to FLL (Fort Lauderdale)
SEA → FLL on-time performance by month
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).
Alaska Airlines edges out Delta Air Lines on this route — 83% vs 78% on time.
Airline Comparison
Alaska Airlines leads at 83% on time; Delta Air Lines trails at 78%.
Good to know
Departing from SEA
80% on timeExpect ~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).
Arriving at FLL
75% on timeWhen flights into FLL are late, the average delay is 72 minutes. Build buffer if you have ground plans.
If connecting at FLL: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flying out of SEA? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated August 2026. Source: Bureau of Transportation Statistics.