United Airlines BWI to IAH on-time performance
United Airlines nonstop flights from Baltimore to Houston · Aug 2025 – Jul 2026
On-time arrivals
84%
arrived < 15 min late
Cancelled
1.1%
9 flights
Avg arrival delay
12 min
73 min when late
Rank on route
#2 of 4
route average 79% on time
Key facts
- United Airlines flights on BWI to IAH arrived on time 84% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 5% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (35%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion34%
- Late-arriving aircraft23%
- Extreme weather8%
- Security0%
Other airlines on BWI to IAH
- Spirit Airlines76% on time · 25 min avg delay
- Frontier Airlines61% on time · 38 min avg delay
- SkyWest Airlines100% on time · 0 min avg delay
Full BWI to IAH comparison →
United Airlines on-time record across all routes →
829 United Airlines flights tracked on this route; 9 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.