United Airlines PIT to IAH on-time performance
United Airlines nonstop flights from Pittsburgh to Houston · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.1%
1 flights
Avg arrival delay
11 min
63 min when late
Rank on route
#2 of 2
route average 85% on time
Key facts
- United Airlines flights on PIT to IAH arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 0.1% were cancelled, and 5% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 85% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (45%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion45%
- Airline (crew, maintenance, cleaning, fueling)27%
- Late-arriving aircraft22%
- Extreme weather5%
- Security0%
Other airlines on PIT to IAH
- SkyWest Airlines100% on time · 0 min avg delay
Full PIT to IAH comparison →
United Airlines on-time record across all routes →
770 United Airlines flights tracked on this route; 1 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.