Southwest Airlines PHX to SAN on-time performance
Southwest Airlines nonstop flights from Phoenix to San Diego · Aug 2025 – Jul 2026
On-time arrivals
70%
arrived < 15 min late
Cancelled
1.0%
31 flights
Avg arrival delay
16 min
49 min when late
Rank on route
#4 of 5
route average 72% on time
Key facts
- Southwest Airlines flights on PHX to SAN arrived on time 70% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 7% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was late-arriving aircraft (45%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft45%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion24%
- Extreme weather1%
- Security1%
Other airlines on PHX to SAN
- American Airlines73% on time · 19 min avg delay
- SkyWest Airlines68% on time · 18 min avg delay
- Frontier Airlines75% on time · 22 min avg delay
- Alaska Airlines85% on time · 10 min avg delay
Full PHX to SAN comparison →
Southwest Airlines on-time record across all routes →
3,219 Southwest Airlines flights tracked on this route; 31 cancelled, 7 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.