Route Reliability
Huntsville → Houston
HSV–IAH · 595 miles · Huntsville International Airport to George Bush Intercontinental Airport
- 79%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0.9%
- Cancelled
- 1,403
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 79% of the time across 1,403 flights. No comparison to make.
What the data says
Morning flights do better here.
HSV–IAH flights departing between 9 AM–12 PM arrived on time 85% of the time, versus 69% between 3–6 PM.
Monday is the weak spot.
HSV–IAH flights arrived on time 82% of the time on Tuesdays. On Mondays: 73%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon73%(214 flights)
- Tue82%(178 flights)
- Wed81%(176 flights)
- Thu80%(201 flights)
- Fri80%(214 flights)
- Sat78%(188 flights)
- Sun78%(217 flights)
- 6–9 AM81%(379 flights)
- 9 AM–12 PM85%(494 flights)
- 12–3 PM74%(169 flights)
- 3–6 PM69%(344 flights)
- 6–9 PM—(2 flights)
Jun 59% → May 72% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 59% | 132 |
| July 2025 | 81% | 111 |
| August 2025 | 74% | 112 |
| September 2025 | 88% | 107 |
| October 2025 | 82% | 122 |
| November 2025 | 84% | 142 |
| December 2025 | 73% | 116 |
| January 2026 | 81% | 103 |
| February 2026 | 87% | 94 |
| March 2026 | 81% | 115 |
| April 2026 | 87% | 106 |
| May 2026 | 72% | 128 |
Keep nerding
Based on 1,403 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.