United Airlines IAH to BWI on-time performance
United Airlines nonstop flights from Houston to Baltimore · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.6%
5 flights
Avg arrival delay
14 min
62 min when late
Rank on route
#2 of 4
route average 76% on time
Key facts
- United Airlines flights on IAH to BWI arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (37%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft37%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion24%
- Extreme weather6%
- Security0%
Other airlines on IAH to BWI
- Spirit Airlines78% on time · 14 min avg delay
- Frontier Airlines52% on time · 36 min avg delay
- SkyWest Airlines100% on time · 1 min avg delay
Full IAH to BWI comparison →
United Airlines on-time record across all routes →
828 United Airlines flights tracked on this route; 5 cancelled, 1 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.