WN4351 SLC → PHX

Southwest Airlines · Salt Lake City, UT to Phoenix, AZ · 55 flights observed, 2025-11-02 to 2026-01-05 · 507 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -5 min, while the worst 10% run +71 min or later.

WN4351 covers more than one route in the data window — the stats below are for SLC → PHX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
75%
Median delay
-5 min
90th percentile
+71 min
Cancellation rate
0%

How often is WN4351 on time?

Across 55 flights on SLC → PHX from 2025-11-02 to 2026-01-05, WN4351 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +71 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4175%
16-30 min35%
31-60 min47%
61-120 min59%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112479%+13 min
2025-122774%+8 min
2026-01450%+8 min

Performance by day of week

DayFlightsOn-time
Mon1090%
Tue956%
Wed978%
Thu875%
Fri967%
SatNo data—
Sun1080%

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