Skip to content
WanderNerd

Route Reliability

Fort Lauderdale → Houston

FLLIAH · 966 miles · Fort Lauderdale–Hollywood International Airport to George Bush Intercontinental Airport

85
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
1 min
Average arrival delay
1.1%
Cancelled
2,836
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines88%1,803 flights
  2. 2.Spirit Airlines73%949 flights

Not enough history to rank: Frontier Airlines (84 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning-you made the right choice.

FLL–IAH flights departing between 6–9 AM arrived on time 95% of the time, versus 67% between 9 PM–12 AM.

Sunday scaries are real for this one.

FLL–IAH flights arrived on time 89% of the time on Tuesdays and just 72% on Sundays. That gap is worth planning around.

United Airlines has a clear lead on this route.

United Airlines arrived on time 88% of the time on this route; Spirit Airlines managed 73%.

Recent months have been rougher.

FLL–IAH flights arrived on time 76% of the time over the last three months in the data, compared with 86% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon80%(412 flights)
  • Tue89%(368 flights)
  • Wed86%(379 flights)
  • Thu86%(410 flights)
  • Fri82%(418 flights)
  • Sat81%(390 flights)
  • Sun72%(421 flights)
On-time by departure window
  • 6–9 AM95%(766 flights)
  • 9 AM–12 PM92%(415 flights)
  • 12–3 PM78%(420 flights)
  • 3–6 PM73%(527 flights)
  • 6–9 PM74%(403 flights)
  • 9 PM–12 AM67%(267 flights)
On-time trend by month
80%
May

Jun 76% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%208
July 202581%193
August 202578%193
September 202586%195
October 202590%267
November 202587%258
December 202584%277
January 202686%267
February 202687%242
March 202672%282
April 202676%259
May 202680%157

Based on 2,836 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.