United Airlines CLT to IAH on-time performance
United Airlines nonstop flights from Charlotte to Houston · Aug 2025 – Jul 2026
On-time arrivals
89%
arrived < 15 min late
Cancelled
1.1%
4 flights
Avg arrival delay
11 min
97 min when late
Rank on route
#1 of 4
route average 78% on time
Key facts
- United Airlines flights on CLT to IAH arrived on time 89% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 3% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (73%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)73%
- Air traffic control & airport congestion27%
- Late-arriving aircraft0%
- Extreme weather0%
- Security0%
Other airlines on CLT to IAH
- American Airlines77% on time · 17 min avg delay
- Frontier Airlines72% on time · 24 min avg delay
- SkyWest Airlines75% on time · 18 min avg delay
Full CLT to IAH comparison →
United Airlines on-time record across all routes →
363 United Airlines flights tracked on this route; 4 cancelled, 0 diverted.
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.