Southwest Airlines DCA to MKE on-time performance
Southwest Airlines nonstop flights from Washington to Milwaukee · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
2.1%
14 flights
Avg arrival delay
10 min
54 min when late
Rank on route
#2 of 3
route average 77% on time
Key facts
- Southwest Airlines flights on DCA to MKE arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 2.1% were cancelled, and 5% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was late-arriving aircraft (49%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion18%
- Extreme weather3%
- Security0%
Other airlines on DCA to MKE
- PSA Airlines71% on time · 24 min avg delay
- Republic Airways83% on time · 15 min avg delay
Full DCA to MKE comparison →
Southwest Airlines on-time record across all routes →
681 Southwest Airlines flights tracked on this route; 14 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.