Route Reliability
Charlotte → Houston
CLT–IAH · 912 miles · Charlotte Douglas International Airport to George Bush Intercontinental Airport
- 79%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.8%
- Cancelled
- 2,874
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines85%1,047 flights
- 2.American Airlines76%1,630 flights
- 3.Frontier Airlines75%197 flights
What the data says
Morning flights do better here.
CLT–IAH flights departing between 6–9 AM arrived on time 89% of the time, versus 65% between 9 PM–12 AM.
Friday is doing you no favors.
CLT–IAH flights arrived on time 87% of the time on Tuesdays. On Fridays: 75%.
United Airlines runs this route best.
United Airlines arrived on time 85% of the time on this route; Frontier Airlines managed 75%.
Recent months have been rougher.
CLT–IAH flights arrived on time 78% of the time over the last three months in the data, compared with 88% 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
- Mon79%(434 flights)
- Tue87%(373 flights)
- Wed81%(372 flights)
- Thu79%(424 flights)
- Fri75%(439 flights)
- Sat77%(341 flights)
- Sun78%(430 flights)
- 6–9 AM89%(727 flights)
- 9 AM–12 PM86%(567 flights)
- 12–3 PM84%(276 flights)
- 3–6 PM70%(665 flights)
- 6–9 PM69%(394 flights)
- 9 PM–12 AM65%(184 flights)
Jun 65% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 241 |
| July 2025 | 63% | 246 |
| August 2025 | 68% | 235 |
| September 2025 | 91% | 229 |
| October 2025 | 85% | 243 |
| November 2025 | 85% | 230 |
| December 2025 | 85% | 227 |
| January 2026 | 88% | 205 |
| February 2026 | 90% | 211 |
| March 2026 | 85% | 242 |
| April 2026 | 76% | 249 |
| May 2026 | 74% | 255 |
Same trip, other airports
Keep nerding
Based on 2,874 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.