WN4017 PHX → SAN

Southwest Airlines · Phoenix, AZ to San Diego, CA · 36 flights observed, 2025-11-02 to 2026-01-01 · 304 mi

This flight's reliability varies a lot by day of week — 80% on-time on Fridays vs. 43% on Wednesdays.

WN4017 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
62%
Median delay
+7 min
90th percentile
+71 min
Cancellation rate
6%

How often is WN4017 on time?

Across 36 flights on PHX → SAN from 2025-11-02 to 2026-01-01, WN4017 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +71 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2162%
16-30 min13%
31-60 min721%
61-120 min515%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112060%+21 min
2025-121464%+15 min

Performance by day of week

DayFlightsOn-time
Mon667%
Tue667%
Wed743%
Thu650%
Fri580%
SatNo data—
Sun475%

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