How often are FLL to IAH flights on time?

Flights from Fort Lauderdale (FLL) to Houston (IAH) arrive on time 87% of the time across 15,000 flights of official data.

Which airline is most reliable on the FLL to IAH route?

United Airlines has the best on-time record on this route at 90% across 9,132 flights.

Route reliability

Flights from Fort Lauderdale to Houston arrive on time 87% of the time across 15,000 flights. Here’s how each airline really performs.

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On-time rate

15,000 flights

Airline	On-time	Flights
United Airlines	90%	9,132
Spirit Airlines	81%	5,868

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg IAH → FLL.

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Score real FLL–IAH flights on reliability, weather, and connection safety — not just price.