United Airlines BWI to ORD on-time performance
United Airlines nonstop flights from Baltimore to Chicago · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
1.2%
15 flights
Avg arrival delay
24 min
89 min when late
Rank on route
#5 of 8
route average 76% on time
Key facts
- United Airlines flights on BWI to ORD arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 1.2% were cancelled, and 9% arrived an hour or more late.
- That ranks #5 of 8 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (42%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion42%
- Late-arriving aircraft29%
- Airline (crew, maintenance, cleaning, fueling)18%
- Extreme weather12%
- Security0%
Other airlines on BWI to ORD
- Envoy Air76% on time · 20 min avg delay
- Republic Airways83% on time · 17 min avg delay
- Frontier Airlines67% on time · 65 min avg delay
- Southwest Airlines89% on time · 5 min avg delay
- SkyWest Airlines64% on time · 24 min avg delay
- American Airlines38% on time · 51 min avg delay
- Spirit Airlines89% on time · 7 min avg delay
Full BWI to ORD comparison →
United Airlines on-time record across all routes →
1,208 United Airlines flights tracked on this route; 15 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.