United Airlines OKC to IAH on-time performance
United Airlines nonstop flights from Oklahoma City to Houston · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
1.3%
4 flights
Avg arrival delay
16 min
68 min when late
Rank on route
#2 of 2
route average 84% on time
Key facts
- United Airlines flights on OKC to IAH arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 1.3% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 84% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (62%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion62%
- Airline (crew, maintenance, cleaning, fueling)26%
- Late-arriving aircraft11%
- Extreme weather1%
- Security0%
Other airlines on OKC to IAH
- SkyWest Airlines86% on time · 11 min avg delay
Full OKC to IAH comparison →
United Airlines on-time record across all routes →
309 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.