WN4383 SMF → PHX

Southwest Airlines · Sacramento, CA to Phoenix, AZ · 63 flights observed, 2025-11-02 to 2026-01-05 · 647 mi

This flight runs much more reliably at some times of day than others — 79% on-time departing 9am–12pm vs. 20% departing 9pm–12am.

WN4383 covers more than one route in the data window — the stats below are for SMF → PHX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
75%
Median delay
+2 min
90th percentile
+51 min
Cancellation rate
0%

How often is WN4383 on time?

Across 63 flights on SMF → PHX from 2025-11-02 to 2026-01-05, WN4383 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +51 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4775%
16-30 min610%
31-60 min46%
61-120 min58%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112770%+20 min
2025-123181%+8 min
2026-01560%+14 min

Performance by day of week

DayFlightsOn-time
Mon1090%
Tue989%
Wed978%
Thu875%
Fri978%
Sat956%
Sun956%

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