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WanderNerd

Route Reliability

Houston → Fort Lauderdale

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

83
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
5 min
Average arrival delay
1.2%
Cancelled
2,840
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.United Airlines85%1,802 flights
  2. 2.Spirit Airlines72%954 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.

IAH–FLL flights departing between 6–9 AM arrived on time 86% of the time, versus 74% between 6–9 PM.

Sunday scaries are real for this one.

IAH–FLL flights arrived on time 89% of the time on Tuesdays and just 74% on Sundays. That gap is worth planning around.

United Airlines runs this route best.

United Airlines arrived on time 85% of the time on this route; Spirit Airlines managed 72%.

Recent months have been rougher.

IAH–FLL flights arrived on time 74% of the time over the last three months in the data, compared with 85% 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
  • Mon81%(413 flights)
  • Tue89%(359 flights)
  • Wed83%(389 flights)
  • Thu79%(418 flights)
  • Fri79%(414 flights)
  • Sat77%(391 flights)
  • Sun74%(420 flights)
On-time by departure window
  • 3–6 AM81%(239 flights)
  • 6–9 AM86%(549 flights)
  • 9 AM–12 PM79%(464 flights)
  • 12–3 PM84%(563 flights)
  • 3–6 PM76%(424 flights)
  • 6–9 PM74%(565 flights)
On-time trend by month
76%
May

Jun 70% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%209
July 202570%191
August 202579%192
September 202589%196
October 202587%265
November 202586%259
December 202579%283
January 202689%264
February 202686%245
March 202667%283
April 202681%259
May 202676%158

Based on 2,840 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.