Southwest Airlines SAT to BNA on-time performance
Southwest Airlines nonstop flights from San Antonio to Nashville · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
0.5%
5 flights
Avg arrival delay
12 min
49 min when late
Rank on route
#1 of 2
route average 78% on time
Key facts
- Southwest Airlines flights on SAT to BNA arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 5% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 78% 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%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion23%
- Extreme weather2%
- Security0%
Other airlines on SAT to BNA
- Spirit Airlines33% on time · 125 min avg delay
Full SAT to BNA comparison →
Southwest Airlines on-time record across all routes →
949 Southwest Airlines flights tracked on this route; 5 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.