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Route Reliability

Denver → Houston

DEN–HOU · 883 miles · Denver International Airport to William P. Hobby Airport

79
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
9 min
Average arrival delay
0.4%
Cancelled
2,344
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 74% of the time across 2,344 flights. No comparison to make.

What the data says

Morning flights do better here.

DEN–HOU flights departing between 3–6 AM arrived on time 94% of the time, versus 52% between 9 PM–12 AM.

Friday is doing you no favors.

DEN–HOU flights arrived on time 77% of the time on Saturdays. On Fridays: 68%.

Recent months have been rougher.

DEN–HOU flights arrived on time 71% of the time over the last three months in the data, compared with 84% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon76%(364 flights)
  • Tue76%(321 flights)
  • Wed75%(318 flights)
  • Thu70%(358 flights)
  • Fri68%(357 flights)
  • Sat77%(259 flights)
  • Sun75%(348 flights)
On-time by departure window
  • 3–6 AM94%(159 flights)
  • 6–9 AM94%(495 flights)
  • 9 AM–12 PM81%(396 flights)
  • 12–3 PM72%(363 flights)
  • 3–6 PM63%(360 flights)
  • 6–9 PM53%(527 flights)
  • 9 PM–12 AM52%(25 flights)
On-time trend by month
70%
May

Jun 58% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%193
July 202555%197
August 202570%189
September 202583%189
October 202576%198
November 202579%206
December 202579%225
January 202686%195
February 202686%183
March 202670%195
April 202672%176
May 202670%179

Same trip, other airports

Keep nerding

Based on 2,344 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.