Southwest Airlines BNA to MIA on-time performance
Southwest Airlines nonstop flights from Nashville to Miami · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
1.1%
8 flights
Avg arrival delay
15 min
48 min when late
Rank on route
#4 of 5
route average 75% on time
Key facts
- Southwest Airlines flights on BNA to MIA arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 8% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (53%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft53%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion16%
- Extreme weather1%
- Security0%
Other airlines on BNA to MIA
- American Airlines78% on time · 21 min avg delay
- Envoy Air73% on time · 20 min avg delay
- Spirit Airlines74% on time · 20 min avg delay
- Republic Airways67% on time · 22 min avg delay
Full BNA to MIA comparison →
Southwest Airlines on-time record across all routes →
758 Southwest Airlines flights tracked on this route; 8 cancelled, 4 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.