United Airlines BWI to DEN on-time performance
United Airlines nonstop flights from Baltimore to Denver · Aug 2025 – Jul 2026
On-time arrivals
86%
arrived < 15 min late
Cancelled
0.5%
4 flights
Avg arrival delay
10 min
66 min when late
Rank on route
#1 of 3
route average 77% on time
Key facts
- United Airlines flights on BWI to DEN arrived on time 86% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 5% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was late-arriving aircraft (38%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft38%
- Air traffic control & airport congestion37%
- Airline (crew, maintenance, cleaning, fueling)20%
- Extreme weather5%
- Security0%
Other airlines on BWI to DEN
- Southwest Airlines74% on time · 15 min avg delay
- Frontier Airlines60% on time · 26 min avg delay
Full BWI to DEN comparison →
United Airlines on-time record across all routes →
871 United Airlines flights tracked on this route; 4 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.