Southwest Airlines SFO to PHX on-time performance
Southwest Airlines nonstop flights from San Francisco to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
60%
arrived < 15 min late
Cancelled
0.6%
6 flights
Avg arrival delay
24 min
57 min when late
Rank on route
#5 of 5
route average 74% on time
Key facts
- Southwest Airlines flights on SFO to PHX arrived on time 60% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 12% 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 (60%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft60%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion8%
- Extreme weather0%
- Security0%
Other airlines on SFO to PHX
- United Airlines81% on time · 12 min avg delay
- American Airlines75% on time · 26 min avg delay
- SkyWest Airlines87% on time · 11 min avg delay
- Frontier Airlines62% on time · 39 min avg delay
Full SFO to PHX comparison →
Southwest Airlines on-time record across all routes →
1,080 Southwest Airlines flights tracked on this route; 6 cancelled, 1 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.