FlightRecord

Houston (IAH) to Lafayette (LFT): On-Time Performance

Data through May 2026

When you fly IAH to LFT matters as much as anything else about the booking: the route swung from 91% on-time in September 2025 to just 57% in June 2025. Across the full period the route averages 74% on-time against a national 78%.

On-time
74%
arrived <15 min late
Avg delay
29 min
completed flights
Cancelled
2.9%
Flights/day
1.0
last 12 months
Duration
1h 9m
scheduled
Distance
201 mi

Monthly on-time trend

Monthly on-time percentage for IAH to LFT flights50%75%100%June 2024: 77% on-time (13 flights)77Jun 2024July 2024: 72% on-time (48 flights)72August 2024: 78% on-time (36 flights)78November 2024: 100% on-time (2 flights)100Nov 2024January 2025: 100% on-time (2 flights)100February 2025: 50% on-time (2 flights)50May 2025: 69% on-time (87 flights)69May 2025June 2025: 57% on-time (23 flights)57July 2025: 60% on-time (30 flights)60August 2025: 84% on-time (31 flights)84Aug 2025September 2025: 91% on-time (32 flights)91October 2025: 78% on-time (27 flights)78November 2025: 79% on-time (38 flights)79Nov 2025December 2025: 68% on-time (31 flights)68January 2026: 84% on-time (26 flights)84February 2026: 84% on-time (25 flights)84Feb 2026March 2026: 67% on-time (87 flights)67April 2026: 75% on-time (16 flights)75

Best time to fly from IAH to LFT

Aim for departures around 2 p.m. (83% on-time); avoid 10 a.m. departures (57%).

On-time percentage by scheduled departure hour, IAH to LFT10 a.m.: 57% on-time (50 flights)1012 p.m.: 77% on-time (22 flights)122 p.m.: 83% on-time (43 flights)144 p.m.: 79% on-time (231 flights)166 p.m.: 71% on-time (107 flights)188 p.m.: 77% on-time (28 flights)209 p.m.: 70% on-time (53 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday70%33 min
Tuesday70%37 min
Wednesday76%30 min
Thursday83%14 min
Friday71%29 min
Saturdaybest86%13 min
Sunday61%51 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft34%
  • Airline operations50%
  • National airspace system7%
  • Weather9%
  • Security1%

Frequently asked questions

How often are flights from IAH to LFT delayed?
26% of IAH–LFT flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 29 minutes.
What is the best time of day to fly from IAH to LFT?
Departures around 2 p.m. have the best record (83% on-time), while departures around 10 a.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from IAH to LFT?
The scheduled IAH–LFT flight time averages 1h 9m over 201 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
How often are IAH to LFT flights cancelled?
2.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
What is the worst month to fly from IAH to LFT?
June 2025 was the roughest month in this dataset, with only 57% of arrivals on time. The best was September 2025 at 91%. If your dates are flexible, that 33-point gap is worth planning around.

Explore related pages

More routes from IAH

Based on 556 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.