William P. Hobby Airport (HOU): Delays & On-Time Performance
Data through May 2026
William P. Hobby Airport (HOU) is a tale of two seasons: departures ran 86% on-time in September 2024 but sank to 59% in July 2024. Across the year it averages 76% against a national 78%, over roughly 150 departures a day to 72 destinations.
- Departures on-time
- 76%
- left <15 min late
- Avg dep delay
- 14 min
- Arrivals on-time
- 79%
- Cancelled
- 1.2%
- Destinations
- 72
- nonstop
- Airlines
- 7
Plan your departure from HOU
The choices most likely to improve your odds, based on this airport’s historical record.
- Best departure time
- Around 6 a.m.
- 95% on-time
- Best day to fly
- Tuesday
- 82% on-time
- Cancellation risk
- 1.2%
- below the US average
Monthly on-time trend
Best time of day to depart from HOU
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 14 min |
| Tuesdaybest | 82% | 11 min |
| Wednesday | 80% | 13 min |
| Thursday | 78% | 12 min |
| Friday | 79% | 13 min |
| Saturday | 80% | 12 min |
| Sunday | 76% | 15 min |
Busiest routes from HOU
Where flights into HOU come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| DAL (Dallas) → HOU | 4,075 | 76% | 15 min |
| ATL (Atlanta) → HOU | 2,953 | 81% | 12 min |
| DEN (Denver) → HOU | 2,344 | 75% | 15 min |
| MSY (New Orleans) → HOU | 2,265 | 78% | 13 min |
| PHX (Phoenix) → HOU | 2,160 | 76% | 13 min |
| LAS (Las Vegas) → HOU | 2,075 | 77% | 12 min |
| DFW (Dallas/Fort Worth) → HOU | 2,074 | 76% | 17 min |
| MCO (Orlando) → HOU | 2,020 | 77% | 14 min |
What causes delays at HOU
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing HOU.
- Late-arriving aircraft46%
- Airline operations31%
- National airspace system17%
- Weather6%
Alternative airports near Houston
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| IAH — George Bush Intercontinental Airport | 24 mi | 77% | 19 min |
| BPT — Jack Brooks Regional Airport | 78 mi | 86% | 18 min |
| CLL — Easterwood Field | 92 mi | 83% | 17 min |
| VCT — Victoria Regional Airport | 113 mi | 82% | 32 min |
Compare the airport-level record first, then check the exact route you plan to book.
Airline performance at HOU
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Delta Air Lines | 83% | 17 min | 3,018 |
| Envoy Air | 80% | 15 min | 2,585 |
| Frontier Airlines | 76% | 29 min | 262 |
| PSA Airlines | 76% | 28 min | 858 |
| Southwest Airlines | 76% | 14 min | 101,932 |
| SkyWest Airlines | 75% | 24 min | 955 |
| Allegiant Air | 74% | 29 min | 539 |
Frequently asked questions
- How often are flights delayed at HOU?
- 24% of departures from William P. Hobby Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 14 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from HOU?
- Flights scheduled around 6 a.m. depart on time 95% of the time at HOU, versus 60% around 10 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at HOU?
- In this dataset, July 2024 was the weakest month at HOU, with 59% of departures on time.
- How often are flights cancelled at HOU?
- 1.2% of scheduled departures from HOU were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 110,149 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.