Southwest Airlines SFO to AUS on-time performance
Southwest Airlines nonstop flights from San Francisco to Austin · Aug 2025 – Jul 2026
On-time arrivals
43%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
37 min
62 min when late
Rank on route
#5 of 5
route average 74% on time
Key facts
- Southwest Airlines flights on SFO to AUS arrived on time 43% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 22% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (68%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft68%
- Airline (crew, maintenance, cleaning, fueling)20%
- Air traffic control & airport congestion12%
- Extreme weather0%
- Security0%
Other airlines on SFO to AUS
- United Airlines82% on time · 10 min avg delay
- Delta Air Lines63% on time · 31 min avg delay
- Alaska Airlines86% on time · 10 min avg delay
- SkyWest Airlines91% on time · 5 min avg delay
Full SFO to AUS comparison →
Southwest Airlines on-time record across all routes →
398 Southwest Airlines flights tracked on this route; 0 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.