WN4200 SEA → PHX

Southwest Airlines · Seattle, WA to Phoenix, AZ · 57 flights observed, 2026-04-07 to 2026-06-03 · 1,107 mi

This flight's reliability varies a lot by day of week — 89% on-time on Wednesdays vs. 38% on Thursdays.

WN4200 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
68%
Median delay
+8 min
90th percentile
+45 min
Cancellation rate
0%

How often is WN4200 on time?

Across 57 flights on SEA → PHX from 2026-04-07 to 2026-06-03, WN4200 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +45 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3968%
16-30 min611%
31-60 min712%
61-120 min47%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042467%+18 min
2026-053070%+15 min
2026-06367%+29 min

Performance by day of week

DayFlightsOn-time
Mon863%
Tue978%
Wed989%
Thu838%
Fri875%
Sat850%
Sun786%

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