United Airlines IAH to PIT on-time performance
United Airlines nonstop flights from Houston to Pittsburgh · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.1%
1 flights
Avg arrival delay
11 min
58 min when late
Rank on route
#1 of 2
route average 82% on time
Key facts
- United Airlines flights on IAH to PIT arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 0.1% were cancelled, and 6% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was late-arriving aircraft (53%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft53%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion13%
- Extreme weather4%
- Security0%
Other airlines on IAH to PIT
- SkyWest Airlines75% on time · 9 min avg delay
Full IAH to PIT comparison →
United Airlines on-time record across all routes →
770 United Airlines flights tracked on this route; 1 cancelled, 2 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.