How reliable is Fort Lauderdale Hollywood International Airport?
Flights from FLL departed within 15 minutes of schedule in 73% of 540,898 flights in official BTS history — and weather is calmest in Mar. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at FLL looks like
On-time departures
across 540,898 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
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Weather by month
When the weather works for you at Fort Lauderdale
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 99/100 favorability
Roughest month
Most disruptive — thunderstorms, low visibility & fog · 93/100 favorability
The read on FLL
What the numbers say about flying through Fort Lauderdale Hollywood International Airport
Across official performance history, flights from Fort Lauderdale left within 15 minutes of schedule about 73% of the time over 540,898 flights. That's a middling record — neither a strength nor a red flag on its own. Pair it with a moderate cancellation rate of 2.1%. When a departure does run late, the typical delay is around 18 minutes.
On weather, Fort Lauderdale is an unusually calm-weather airport year-round. March is the calmest stretch for flying, scoring 99 out of 100 for favorable conditions, while September is the most disruptive at 93, driven mainly by thunderstorms and low visibility & fog. The year is relatively steady, so no single month stands out as one to avoid on weather alone.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Fort Lauderdale, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about FLL
- How reliable is Fort Lauderdale Hollywood International Airport (FLL)?
- Flights from Fort Lauderdale left within 15 minutes of schedule roughly 73% of the time across 540,898 flights of official history — a middling record — neither a strength nor a red flag on its own. The cancellation rate runs about 2.1%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from FLL for good weather?
- March has the calmest flying weather at Fort Lauderdale Hollywood International Airport. September is the most disruptive, mainly from thunderstorms and low visibility & fog.
Planning a trip through Fort Lauderdale?
Score real flights to and from FLL on reliability, weather, and connection safety — not just price.