WN3623 SEA → PHX

Southwest Airlines · Seattle, WA to Phoenix, AZ · 12 flights observed, 2026-06-04 to 2026-06-29 · 1,107 mi

This flight has been on time less than half the time (25%) — expect a real chance of a delay.

WN3623 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
25%
Median delay
+24 min
90th percentile
+107 min
Cancellation rate
0%

How often is WN3623 on time?

Across 12 flights on SEA → PHX from 2026-06-04 to 2026-06-29, WN3623 arrived within 15 minutes of schedule 25% of the time. The median arrival delay was +24 min, and the worst 10% of flights arrived +107 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time325%
16-30 min433%
31-60 min325%
61-120 min18%
2+ hrs18%

Performance by month

MonthFlightsOn-timeAvg delay
2026-061225%+50 min

Performance by day of week

DayFlightsOn-time
Mon425%
TueNo data—
WedNo data—
Thu450%
Fri40%
SatNo data—
SunNo data—

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