FLL (Fort Lauderdale) to IAH (Houston) flights arrive on time 78% of the time. The most reliable airline on this route is United Airlines at 83%. The average delay is 72 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated March 2026.FLL → IAH
FLL (Fort Lauderdale) to IAH (Houston)
FLL → IAH on-time performance by month
This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
United Airlines edges out Spirit Airlines on this route — 83% vs 72% on time.
Airline Comparison
United Airlines leads at 83% on time; Spirit Airlines trails at 72%.
Good to know
Departing from FLL
75% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. FLL has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at IAH
80% on timeWhen flights into IAH are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at IAH: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Know before you go
Flying FLL → IAH? We'll brief you before takeoff.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.