WN4005 PHX → SAN

Southwest Airlines · Phoenix, AZ to San Diego, CA · 22 flights observed, 2025-11-02 to 2026-01-05 · 304 mi

This flight has been on time less than half the time (38%) — expect a real chance of a delay.

WN4005 covers more than one route in the data window — the stats below are for PHX → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
38%
Median delay
+21 min
90th percentile
+112 min
Cancellation rate
5%

How often is WN4005 on time?

Across 22 flights on PHX → SAN from 2025-11-02 to 2026-01-05, WN4005 arrived within 15 minutes of schedule 38% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +112 min or later. 5% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time838%
16-30 min419%
31-60 min419%
61-120 min419%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2025-111436%+43 min
2025-12650%+32 min
2026-0110%+21 min

Performance by day of week

DayFlightsOn-time
Mon333%
TueNo data—
WedNo data—
Thu333%
Fri540%
Sat450%
Sun633%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…