William P. Hobby Airport (HOU) delays & on-time performance
Houston, Texas · 70 nonstop destinations · 6 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HOU right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
77%
arrived < 15 min late
Cancelled
0.9%
465 flights
Avg arrival delay
13 min
53 min when late
Departed on time
73%
avg taxi-out 13 min
Figures cover 53,894 departures from HOU; on-time is measured at arrival. Arrivals into HOU were on time 77% of the time.
Key facts
- Flights departing William P. Hobby Airport (HOU) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.9% were cancelled, and 6% arrived an hour or more late.
- Departures scheduled around 5am did best (94% on time); around 7pm did worst (62%).
- The largest source of delay minutes was late-arriving aircraft (45%).
Most delayed routes from HOU
Lowest on-time arrival rates among regularly flown routes.
- LGA · New York64%1,358 flts
- FLL · Fort Lauderdale66%809 flts
- DCA · Washington70%1,052 flts
- MDW · Chicago72%1,840 flts
- IND · Indianapolis74%492 flts
- MEM · Memphis74%830 flts
- LAX · Los Angeles74%1,195 flts
- TPA · Tampa74%1,012 flts
- BWI · Baltimore75%1,479 flts
- AUS · Austin75%1,362 flts
Most reliable routes from HOU
Highest on-time arrival rates among regularly flown routes.
- OMA · Omaha88%379 flts
- LGB · Long Beach86%461 flts
- SJC · San Jose85%364 flts
- MSY · New Orleans83%2,297 flts
- MAF · Midland/Odessa82%1,358 flts
- DAL · Dallas81%4,047 flts
- LAS · Las Vegas80%2,021 flts
- SLC · Salt Lake City80%409 flts
- STL · St. Louis80%1,559 flts
- ATL · Atlanta80%2,882 flts
Best airline at HOU
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 85% | 1.9% | 15 min | 2 | 1,398 |
| Envoy Air | 81% | 2.6% | 15 min | 1 | 936 |
| PSA Airlines | 77% | 5.5% | 26 min | 1 | 658 |
| Southwest Airlines | 77% | 0.7% | 13 min | 63 | 50,270 |
| Allegiant Air | 74% | 0.0% | 31 min | 5 | 225 |
| SkyWest Airlines | 71% | 5.7% | 39 min | 1 | 407 |
Best time to fly out of HOU
On-time arrival rate by scheduled departure hour (local time).
- 5am94%1,925 flts
- 6am93%2,432 flts
- 7am91%2,808 flts
- 8am91%4,675 flts
- 9am89%2,383 flts
- 10am85%4,025 flts
- 11am83%3,473 flts
- 12pm77%2,750 flts
- 1pm77%2,543 flts
- 2pm66%4,138 flts
- 3pm69%2,626 flts
- 4pm70%2,488 flts
- 5pm68%2,533 flts
- 6pm70%3,562 flts
- 7pm62%2,804 flts
- 8pm68%4,328 flts
- 9pm67%2,090 flts
- 10pm64%2,309 flts
Monthly trend
Why departures were late
- Late-arriving aircraft45%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion18%
- Extreme weather4%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.