Route Reliability
Cincinnati → Houston
CVG–IAH · 871 miles · Cincinnati/Northern Kentucky International Airport to George Bush Intercontinental Airport
- 84%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 1.0%
- Cancelled
- 1,064
- Flights in the data
Data through May 2026.
Airlines on this route
- United Airlines85% on time · 1,012 flights
- Frontier Airlines77% on time · 52 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning-you made the right choice.
CVG–IAH flights departing between 6–9 AM arrived on time 92% of the time, versus 46% between 6–9 PM.
Friday is doing you no favors.
CVG–IAH flights arrived on time 91% of the time on Tuesdays. On Fridays: 79%.
Slipping a little lately.
CVG–IAH flights arrived on time 85% of the time over the last three months in the data, compared with 89% 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%(156 flights)
- Tue91%(134 flights)
- Wed87%(142 flights)
- Thu87%(170 flights)
- Fri79%(154 flights)
- Sat81%(125 flights)
- Sun83%(171 flights)
- 6–9 AM92%(380 flights)
- 9 AM–12 PM87%(284 flights)
- 12–3 PM76%(21 flights)
- 3–6 PM76%(356 flights)
- 6–9 PM46%(11 flights)
Jun 80% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 96 |
| July 2025 | 77% | 95 |
| August 2025 | 80% | 91 |
| September 2025 | 87% | 85 |
| October 2025 | 87% | 96 |
| November 2025 | 83% | 98 |
| December 2025 | 82% | 74 |
| January 2026 | 93% | 72 |
| February 2026 | 90% | 73 |
| March 2026 | 83% | 90 |
| April 2026 | 89% | 90 |
| May 2026 | 84% | 92 |
Keep nerding
Based on 1,064 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.