Southwest Airlines BWI to ORD on-time performance
Southwest Airlines nonstop flights from Baltimore to Chicago · Aug 2025 – Jul 2026
On-time arrivals
89%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
5 min
44 min when late
Rank on route
#1 of 8
route average 76% on time
Key facts
- Southwest Airlines flights on BWI to ORD arrived on time 89% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 2% arrived an hour or more late.
- That ranks #1 of 8 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (55%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)55%
- Air traffic control & airport congestion45%
- Late-arriving aircraft0%
- Extreme weather0%
- Security0%
Other airlines on BWI to ORD
- United Airlines75% on time · 24 min avg delay
- Envoy Air76% on time · 20 min avg delay
- Republic Airways83% on time · 17 min avg delay
- Frontier Airlines67% on time · 65 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 →
Southwest Airlines on-time record across all routes →
93 Southwest Airlines flights tracked on this route; 0 cancelled, 0 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.