Southwest Airlines SAT to PHX on-time performance
Southwest Airlines nonstop flights from San Antonio to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.2%
3 flights
Avg arrival delay
9 min
50 min when late
Rank on route
#1 of 4
route average 82% on time
Key facts
- Southwest Airlines flights on SAT to PHX arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 0.2% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was late-arriving aircraft (60%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft60%
- Airline (crew, maintenance, cleaning, fueling)22%
- Air traffic control & airport congestion15%
- Extreme weather3%
- Security1%
Other airlines on SAT to PHX
- American Airlines80% on time · 24 min avg delay
- Envoy Air77% on time · 10 min avg delay
- Frontier Airlines83% on time · 11 min avg delay
Full SAT to PHX comparison →
Southwest Airlines on-time record across all routes →
1,378 Southwest Airlines flights tracked on this route; 3 cancelled, 2 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.