WN4579 SNA → PHX

Southwest Airlines · Santa Ana, CA to Phoenix, AZ · 29 flights observed, 2025-07-01 to 2025-08-04 · 338 mi

This flight runs much more reliably at some times of day than others — 100% on-time departing 12–3pm vs. 48% departing 6–9pm.

WN4579 covers more than one route in the data window — the stats below are for SNA → PHX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
57%
Median delay
-4 min
90th percentile
+64 min
Cancellation rate
3%

How often is WN4579 on time?

Across 29 flights on SNA → PHX from 2025-07-01 to 2025-08-04, WN4579 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +64 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1657%
16-30 min414%
31-60 min518%
61-120 min27%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072560%+18 min
2025-08333%+20 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue520%
Wed520%
Thu580%
Fri450%
Sat5100%
SunNo data—

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