United Airlines BOS to IAH on-time performance
United Airlines nonstop flights from Boston to Houston · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
1.4%
22 flights
Avg arrival delay
13 min
71 min when late
Rank on route
#1 of 2
route average 81% on time
Key facts
- United Airlines flights on BOS to IAH arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 1.4% were cancelled, and 6% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (51%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft51%
- Air traffic control & airport congestion27%
- Airline (crew, maintenance, cleaning, fueling)22%
- Extreme weather1%
- Security0%
Other airlines on BOS to IAH
- JetBlue72% on time · 17 min avg delay
Full BOS to IAH comparison →
United Airlines on-time record across all routes →
1,561 United Airlines flights tracked on this route; 22 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.