BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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FLL→IAH

Fort Lauderdale, FL (FLL) to Houston, TX (IAH) flight delay odds

81.0% of 2,755 official scheduled FLL-to-IAH flights arrived on time; 13.0% arrived at least 30 minutes late and 1.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
81.0%arrived on time
13.0%30+ min late
1.1%cancelled
2,755scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.1%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+1.2 mincompleted flights

Which departure time was most reliable for FLL to IAH?

Among qualifying FLL-to-IAH departure window results, Early morning had the highest on-time rate: 93.4% of 729 flights. Night was lowest at 65.7% across 245 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning72993.4%3.3%0.8%
Late morning41292.2%4.4%0.7%
Afternoon74374.4%19.0%0.4%
Evening62672.8%18.5%1.8%
Night24565.7%23.7%3.3%

Which weekday was most reliable for FLL to IAH?

Among qualifying FLL-to-IAH weekday results, Tuesday had the highest on-time rate: 88.8% of 357 flights. Sunday was lowest at 70.3% across 411 flights.

DayFlightsOn time30+ minCancelled
Monday41079.0%12.4%2.0%
Tuesday35788.8%8.7%0.3%
Wednesday36886.1%10.3%0.8%
Thursday40885.5%9.3%1.0%
Friday41579.5%14.7%1.0%
Saturday38679.0%15.0%1.3%
Sunday41170.3%19.5%1.5%

Which airline was most reliable for FLL to IAH?

Among qualifying FLL-to-IAH airline results, United Airlines had the highest on-time rate: 87.4% of 1,792 flights. Frontier Airlines was lowest at 51.0% across 104 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines1,79287.4%8.2%0.8%
Spirit Airlines85971.1%20.0%1.7%
Frontier Airlines10451.0%36.5%1.9%

Which month was most reliable for FLL to IAH?

Among qualifying FLL-to-IAH month results, October 2025 had the highest on-time rate: 89.9% of 267 flights. March 2026 was lowest at 69.4% across 294 flights.

MonthFlightsOn time30+ minCancelled
July 202519580.0%13.8%1.0%
August 202519477.3%17.5%0.5%
September 202519585.1%11.3%0.0%
October 202526789.9%6.4%0.0%
November 202526484.8%9.1%2.3%
December 202527981.7%11.5%0.4%
January 202627184.1%9.2%1.5%
February 202624585.7%9.8%0.4%
March 202629469.4%21.8%3.7%
April 202626275.6%16.8%1.1%
May 202616078.1%14.4%1.2%
June 202612979.1%16.3%0.0%

What drove FLL to IAH delay minutes?

Airline was the largest recorded FLL-to-IAH delay category, accounting for 36.6% of 38,436 BTS-attributed delay minutes during July 2025–June 2026.

Airline36.6%
Late aircraft25.5%
National airspace34.6%
Weather3.2%
Security0.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.