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Airport Reliability

HOU · Houston

William P. Hobby Airport

75%
Departures within 15 minutes
13 min
Average departure delay
79%
Arrivals within 15 minutes
0.9%
Departures cancelled

Based on 54,632 departures and 54,621 arrivals. Data through May 2026.

What the data says

Morning flights do better here.

Departures from HOU departing between 3–6 AM arrived on time 94% of the time, versus 67% between 9 PM–12 AM.

Sunday scaries are real for this one.

Departures from HOU arrived on time 83% of the time on Tuesdays. On Sundays: 74%.

Recent months have been rougher.

Departures from HOU arrived on time 73% of the time over the last three months in the data, compared with 86% in the three months before that.

When HOU gets messy

On-time by departure window
  • 3–6 AM94%(2031 flights)
  • 6–9 AM93%(10047 flights)
  • 9 AM–12 PM86%(9689 flights)
  • 12–3 PM74%(9104 flights)
  • 3–6 PM71%(7819 flights)
  • 6–9 PM68%(10867 flights)
  • 9 PM–12 AM67%(4451 flights)
On-time by weekday
  • Mon78%(8039 flights)
  • Tue83%(7365 flights)
  • Wed79%(7301 flights)
  • Thu77%(8000 flights)
  • Fri78%(8025 flights)
  • Sat79%(6892 flights)
  • Sun74%(8386 flights)
On-time trend by month
73%
May

Jun 69% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%4843
July 202572%5031
August 202579%4611
September 202587%4441
October 202579%4874
November 202581%4448
December 202583%4606
January 202689%3970
February 202685%3803
March 202669%4496
April 202677%4402
May 202673%4483

Airlines departing HOU

Busiest routes from HOU

Based on 54,632 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.