Southwest Airlines MCI to MIA on-time performance
Southwest Airlines nonstop flights from Kansas City to Miami · Aug 2025 – Jul 2026
On-time arrivals
73%
arrived < 15 min late
Cancelled
0.5%
1 flights
Avg arrival delay
14 min
49 min when late
Rank on route
#3 of 4
route average 84% on time
Key facts
- Southwest Airlines flights on MCI to MIA arrived on time 73% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 84% on time overall.
- The largest source of delay minutes was late-arriving aircraft (47%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft47%
- Air traffic control & airport congestion30%
- Airline (crew, maintenance, cleaning, fueling)23%
- Extreme weather0%
- Security0%
Other airlines on MCI to MIA
- American Airlines90% on time · 13 min avg delay
- Envoy Air82% on time · 9 min avg delay
- Republic Airways56% on time · 15 min avg delay
Full MCI to MIA comparison →
Southwest Airlines on-time record across all routes →
191 Southwest Airlines flights tracked on this route; 1 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.