WN3537Southwest Airlines · SEA → PHX
live · 22m ago
Route confirmed Southwest Airlines

WN3537 SeattleSEA · 18:15 PhoenixPHX · 21:15

WN3537 by Southwest Airlines flies from Seattle (SEA) to Phoenix (PHX).

Right nowNext departure today Operates daily
18:15

scheduled from SEA

Typical arrival+11 minmedian over 3 operations

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
09-07
+11 arrival
09-06
+11 arrival
08-30
+49 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
SEASeattleOn-time likelySEA delay board →
PHXPhoenixOn-time likelyPHX delay board →
SEA→PHXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
33%Chance of 15+ min delay
1.4%Chance of cancellation
+4 minAvg hub delay right now

Conditions at SEA and PHX are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Seattle to Phoenix flights today

same route · Southwest Airlines
WN3536departs 05:00
WN513departs 05:10
WN3218departs 06:15
WN4784departs 07:10
WN840departs 11:25
WN269departs 11:40

If WN3537 is cancelled, these are the other Southwest Airlines nonstop flights from Seattle to Phoenix on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3537 actually runs

Pro Flight Search has tracked every published board update for WN3537 across the SEA and PHX boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +11 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN3537 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-07SEA 18:15PHX 21:15 21:26 (+11)
09-06SEA 18:15PHX 21:15 21:26 (+11)
08-30SEA 21:25PHX 00:20 01:09 (+49)

Board clocks recorded as SEA and PHX published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — WN3537 Seattle to Phoenix on-time performance, measured from the SEA and PHX airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3537
How we measure this →