United Airlines IAH to SLC on-time performance
United Airlines nonstop flights from Houston to Salt Lake City · Aug 2025 – Jul 2026
On-time arrivals
84%
arrived < 15 min late
Cancelled
0.6%
5 flights
Avg arrival delay
11 min
57 min when late
Rank on route
#1 of 3
route average 83% on time
Key facts
- United Airlines flights on IAH to SLC arrived on time 84% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 5% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 83% on time overall.
- The largest source of delay minutes was late-arriving aircraft (47%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft47%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion19%
- Extreme weather5%
- Security0%
Other airlines on IAH to SLC
- Delta Air Lines83% on time · 16 min avg delay
- SkyWest Airlines77% on time · 15 min avg delay
Full IAH to SLC comparison →
United Airlines on-time record across all routes →
874 United Airlines flights tracked on this route; 5 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.