WN4289 SEA → PHX

Southwest Airlines · Seattle, WA to Phoenix, AZ · 29 flights observed, 2025-07-01 to 2025-08-04 · 1,107 mi

This flight runs much more reliably at some times of day than others — 80% on-time departing 9am–12pm vs. 37% departing 3–6pm.

WN4289 covers more than one route in the data window — the stats below are for SEA → PHX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
52%
Median delay
+12 min
90th percentile
+44 min
Cancellation rate
0%

How often is WN4289 on time?

Across 29 flights on SEA → PHX from 2025-07-01 to 2025-08-04, WN4289 arrived within 15 minutes of schedule 52% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +44 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1552%
16-30 min621%
31-60 min621%
61-120 min27%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072658%+20 min
2025-0830%+21 min

Performance by day of week

DayFlightsOn-time
Mon540%
Tue580%
Wed580%
Thu560%
Fri40%
Sat540%
SunNo data—

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