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Route Reliability

Houston → Denver

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

82
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
6 min
Average arrival delay
0.5%
Cancelled
2,349
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 78% of the time across 2,349 flights. No comparison to make.

What the data says

Morning flights do better here.

HOU–DEN flights departing between 3–6 AM arrived on time 97% of the time, versus 63% between 3–6 PM.

Sunday scaries are real for this one.

HOU–DEN flights arrived on time 82% of the time on Tuesdays. On Sundays: 75%.

Recent months have been rougher.

HOU–DEN flights arrived on time 78% of the time over the last three months in the data, compared with 85% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon78%(365 flights)
  • Tue82%(319 flights)
  • Wed79%(320 flights)
  • Thu75%(354 flights)
  • Fri78%(359 flights)
  • Sat79%(261 flights)
  • Sun75%(346 flights)
On-time by departure window
  • 3–6 AM97%(214 flights)
  • 6–9 AM90%(452 flights)
  • 9 AM–12 PM82%(306 flights)
  • 12–3 PM75%(397 flights)
  • 3–6 PM63%(302 flights)
  • 6–9 PM69%(380 flights)
  • 9 PM–12 AM74%(273 flights)
On-time trend by month
79%
May

Jun 66% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202566%188
July 202572%197
August 202573%189
September 202577%188
October 202577%197
November 202582%205
December 202582%231
January 202690%196
February 202684%183
March 202674%195
April 202681%177
May 202679%178

Same trip, other airports

Keep nerding

Based on 2,349 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.