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Route Reliability

Dallas–Fort Worth → Houston

DFW–IAH · 224 miles · Dallas Fort Worth International Airport to George Bush Intercontinental Airport

62
A Little Dicey
WanderNerd Reliability Score
71%
Arrive within 15 minutes
18 min
Average arrival delay
3.0%
Cancelled
6,164
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.United Airlines77%2,804 flights
  2. 2.American Airlines66%3,360 flights

What the data says

Morning flights do better here.

DFW–IAH flights departing between 3–6 AM arrived on time 95% of the time, versus 59% between 9 PM–12 AM.

Sunday scaries are real for this one.

DFW–IAH flights arrived on time 76% of the time on Tuesdays. On Sundays: 66%.

United Airlines runs this route best.

United Airlines arrived on time 77% of the time on this route; American Airlines managed 66%.

Keep a backup plan handy.

This route was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.

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
  • Mon71%(878 flights)
  • Tue76%(822 flights)
  • Wed74%(855 flights)
  • Thu72%(881 flights)
  • Fri70%(870 flights)
  • Sat69%(784 flights)
  • Sun66%(879 flights)
On-time by departure window
  • 3–6 AM95%(351 flights)
  • 6–9 AM75%(972 flights)
  • 9 AM–12 PM78%(827 flights)
  • 12–3 PM77%(1254 flights)
  • 3–6 PM60%(1266 flights)
  • 6–9 PM66%(852 flights)
  • 9 PM–12 AM59%(447 flights)
On-time trend by month
69%
May

Jun 61% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%500
July 202571%515
August 202561%512
September 202572%499
October 202567%523
November 202569%476
December 202574%528
January 202682%454
February 202687%423
March 202672%494
April 202673%523
May 202669%522

Same trip, other airports

Keep nerding

Based on 6,164 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.