Southwest Airlines DTW to BWI on-time performance
Southwest Airlines nonstop flights from Detroit to Baltimore · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
1.2%
9 flights
Avg arrival delay
10 min
44 min when late
Rank on route
#3 of 4
route average 81% on time
Key facts
- Southwest Airlines flights on DTW to BWI arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 1.2% were cancelled, and 4% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (46%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft46%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion24%
- Extreme weather1%
- Security0%
Other airlines on DTW to BWI
- Delta Air Lines82% on time · 13 min avg delay
- Frontier Airlines78% on time · 15 min avg delay
- Spirit Airlines84% on time · 21 min avg delay
Full DTW to BWI comparison →
Southwest Airlines on-time record across all routes →
776 Southwest Airlines flights tracked on this route; 9 cancelled, 5 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.