FLL (Fort Lauderdale) to BOS (Boston) flights arrive on time 69% of the time. The most reliable airline on this route is Delta Air Lines at 74%. The average delay is 76 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.FLL → BOS
FLL (Fort Lauderdale) to BOS (Boston)
FLL → BOS on-time performance by month
24
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JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 69% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Delta Air Lines edges out Spirit Airlines on this route — 74% vs 64% on time.
Airline Comparison
Delta Air Lines leads at 74% on time; Spirit Airlines trails at 64%.
Accurate?
Good to know
Departing from FLL
73% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. FLL has long runway queues.
TSA is currently ~17 min. Best time: 4 AM (about 5 min).
Arriving at BOS
77% on timeWhen flights into BOS are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at BOS: TSA is ~19 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
Flying out of FLL? 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 October 2026. Source: Bureau of Transportation Statistics.