Southwest Airlines MIA to BWI on-time performance
Southwest Airlines nonstop flights from Miami to Baltimore · Aug 2025 – Jul 2026
On-time arrivals
74%
arrived < 15 min late
Cancelled
2.0%
24 flights
Avg arrival delay
15 min
54 min when late
Rank on route
#2 of 5
route average 73% on time
Key facts
- Southwest Airlines flights on MIA to BWI arrived on time 74% of the time in Aug 2025 – Jul 2026.
- 2% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 5 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was late-arriving aircraft (51%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft51%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion20%
- Extreme weather4%
- Security0%
Other airlines on MIA to BWI
- American Airlines69% on time · 20 min avg delay
- Frontier Airlines72% on time · 25 min avg delay
- Envoy Air90% on time · 5 min avg delay
- Spirit Airlines54% on time · 46 min avg delay
Full MIA to BWI comparison →
Southwest Airlines on-time record across all routes →
1,182 Southwest Airlines flights tracked on this route; 24 cancelled, 10 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.