United Airlines ORD to BWI on-time performance
United Airlines nonstop flights from Chicago to Baltimore · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
1.4%
17 flights
Avg arrival delay
20 min
64 min when late
Rank on route
#4 of 8
route average 73% on time
Key facts
- United Airlines flights on ORD to BWI arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 1.4% were cancelled, and 10% arrived an hour or more late.
- That ranks #4 of 8 airlines on this route, which averaged 73% 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%
- Air traffic control & airport congestion26%
- Airline (crew, maintenance, cleaning, fueling)21%
- Extreme weather6%
- Security0%
Other airlines on ORD to BWI
- Envoy Air78% on time · 15 min avg delay
- Republic Airways70% on time · 26 min avg delay
- Frontier Airlines66% on time · 29 min avg delay
- Southwest Airlines71% on time · 28 min avg delay
- SkyWest Airlines70% on time · 20 min avg delay
- American Airlines58% on time · 41 min avg delay
- Spirit Airlines89% on time · 5 min avg delay
Full ORD to BWI comparison →
United Airlines on-time record across all routes →
1,211 United Airlines flights tracked on this route; 17 cancelled, 3 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.