Southwest Airlines BNA to SAT on-time performance
Southwest Airlines nonstop flights from Nashville to San Antonio · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.6%
6 flights
Avg arrival delay
11 min
45 min when late
Rank on route
#1 of 2
route average 79% on time
Key facts
- Southwest Airlines flights on BNA to SAT arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was late-arriving aircraft (59%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft59%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion8%
- Extreme weather2%
- Security1%
Other airlines on BNA to SAT
- Spirit Airlines67% on time · 176 min avg delay
Full BNA to SAT comparison →
Southwest Airlines on-time record across all routes →
937 Southwest Airlines flights tracked on this route; 6 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.