Southwest Airlines AUS to SAN on-time performance
Southwest Airlines nonstop flights from Austin to San Diego · Aug 2025 – Jul 2026
On-time arrivals
69%
arrived < 15 min late
Cancelled
0.7%
10 flights
Avg arrival delay
17 min
51 min when late
Rank on route
#3 of 3
route average 74% on time
Key facts
- Southwest Airlines flights on AUS to SAN arrived on time 69% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 8% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (57%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft57%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion14%
- Extreme weather2%
- Security0%
Other airlines on AUS to SAN
- SkyWest Airlines81% on time · 13 min avg delay
- Frontier Airlines77% on time · 17 min avg delay
Full AUS to SAN comparison →
Southwest Airlines on-time record across all routes →
1,419 Southwest Airlines flights tracked on this route; 10 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.