Southwest Airlines PHX to SAT on-time performance
Southwest Airlines nonstop flights from Phoenix to San Antonio · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.2%
3 flights
Avg arrival delay
14 min
49 min when late
Rank on route
#4 of 4
route average 77% on time
Key facts
- Southwest Airlines flights on PHX to SAT arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 0.2% were cancelled, and 6% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 77% 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)35%
- Air traffic control & airport congestion6%
- Extreme weather0%
- Security0%
Other airlines on PHX to SAT
- American Airlines80% on time · 17 min avg delay
- Envoy Air78% on time · 11 min avg delay
- Frontier Airlines91% on time · 4 min avg delay
Full PHX to SAT comparison →
Southwest Airlines on-time record across all routes →
1,389 Southwest Airlines flights tracked on this route; 3 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.