Southwest Airlines SAN to AUS on-time performance
Southwest Airlines nonstop flights from San Diego to Austin · Aug 2025 – Jul 2026
On-time arrivals
66%
arrived < 15 min late
Cancelled
0.6%
8 flights
Avg arrival delay
18 min
50 min when late
Rank on route
#3 of 3
route average 72% on time
Key facts
- Southwest Airlines flights on SAN to AUS arrived on time 66% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 9% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was late-arriving aircraft (62%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft62%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion14%
- Security0%
- Extreme weather0%
Other airlines on SAN to AUS
- SkyWest Airlines80% on time · 13 min avg delay
- Frontier Airlines68% on time · 17 min avg delay
Full SAN to AUS comparison →
Southwest Airlines on-time record across all routes →
1,435 Southwest Airlines flights tracked on this route; 8 cancelled, 5 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.