Route Reliability
Birmingham → Houston
BHM–IAH · 562 miles · Birmingham–Shuttlesworth International Airport to George Bush Intercontinental Airport
- 82%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 1.6%
- Cancelled
- 1,680
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 82% of the time across 1,680 flights. No comparison to make.
What the data says
Morning flights do better here.
BHM–IAH flights departing between 9 AM–12 PM arrived on time 88% of the time, versus 60% between 6–9 PM.
Friday is doing you no favors.
BHM–IAH flights arrived on time 85% of the time on Saturdays. On Fridays: 73%.
Slipping a little lately.
BHM–IAH flights arrived on time 83% of the time over the last three months in the data, compared with 86% in the three months before that.
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
- Mon83%(251 flights)
- Tue83%(242 flights)
- Wed84%(232 flights)
- Thu83%(242 flights)
- Fri73%(248 flights)
- Sat85%(203 flights)
- Sun82%(232 flights)
- 6–9 AM87%(473 flights)
- 9 AM–12 PM88%(443 flights)
- 12–3 PM82%(85 flights)
- 3–6 PM74%(594 flights)
- 6–9 PM60%(53 flights)
- 9 PM–12 AM—(2 flights)
Jun 61% → May 78% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 61% | 162 |
| July 2025 | 78% | 155 |
| August 2025 | 79% | 157 |
| September 2025 | 92% | 143 |
| October 2025 | 86% | 142 |
| November 2025 | 83% | 135 |
| December 2025 | 82% | 136 |
| January 2026 | 82% | 115 |
| February 2026 | 95% | 118 |
| March 2026 | 86% | 121 |
| April 2026 | 84% | 120 |
| May 2026 | 78% | 146 |
Same trip, other airports
Keep nerding
Based on 1,680 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.