Southwest Airlines DTW to BNA on-time performance
Southwest Airlines nonstop flights from Detroit to Nashville · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
0.7%
6 flights
Avg arrival delay
11 min
40 min when late
Rank on route
#2 of 4
route average 79% on time
Key facts
- Southwest Airlines flights on DTW to BNA arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 4% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was late-arriving aircraft (55%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft55%
- Airline (crew, maintenance, cleaning, fueling)24%
- Air traffic control & airport congestion18%
- Extreme weather2%
- Security1%
Other airlines on DTW to BNA
- Delta Air Lines80% on time · 12 min avg delay
- Spirit Airlines76% on time · 19 min avg delay
- SkyWest Airlines75% on time · 18 min avg delay
Full DTW to BNA comparison →
Southwest Airlines on-time record across all routes →
870 Southwest Airlines flights tracked on this route; 6 cancelled, 3 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.