United Airlines DFW to IAH on-time performance
United Airlines nonstop flights from Dallas/Fort Worth to Houston · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
1.7%
42 flights
Avg arrival delay
20 min
82 min when late
Rank on route
#1 of 5
route average 69% on time
Key facts
- United Airlines flights on DFW to IAH arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 1.7% were cancelled, and 8% arrived an hour or more late.
- That ranks #1 of 5 airlines on this route, which averaged 69% on time overall.
- The largest source of delay minutes was late-arriving aircraft (39%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft39%
- Air traffic control & airport congestion34%
- Airline (crew, maintenance, cleaning, fueling)24%
- Extreme weather3%
- Security0%
Other airlines on DFW to IAH
- American Airlines59% on time · 35 min avg delay
- Envoy Air77% on time · 14 min avg delay
- SkyWest Airlines76% on time · 22 min avg delay
- PSA Airlines75% on time · 31 min avg delay
Full DFW to IAH comparison →
United Airlines on-time record across all routes →
2,453 United Airlines flights tracked on this route; 42 cancelled, 6 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.