WN3557Southwest Airlines · SAN → PHX
live · 49m ago
Route confirmed Southwest Airlines

WN3557 San DiegoSAN PhoenixPHX · 07:40

WN3557 by Southwest Airlines flies from San Diego (SAN) to Phoenix (PHX).

Right nowNext departure tomorrow Operates daily
16:35

scheduled from SAN

Typical arrival−14 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+60+121+181 min
09-30
−29 arrival
09-29
−14 arrival
09-28
+181 arrival
09-27
−18 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
SANSan DiegoOn-time likelySAN delay board →
PHXPhoenixOn-time likelyPHX delay board →
SAN→PHXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
51%Chance of 15+ min delay
1.4%Chance of cancellation
+18 minAvg hub delay right now

Conditions at SAN 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 San Diego to Phoenix flights today

same route · Southwest Airlines
WN441departs 06:20
WN830departs 06:35
WN168departs 06:40
WN1854departs 06:55
WN2309departs 06:55
WN754departs 07:15

If WN3557 is cancelled, these are the other Southwest Airlines nonstop flights from San Diego to Phoenix on the same day, with scheduled departure times in SAN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3557 actually runs

Pro Flight Search has tracked every published board update for WN3557 across the SAN and PHX boards: schedule changes, gate pushes and actual clocks. Usually lands ~14 min early. Based on 4 confirmed landings · 3/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3557 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
09-30SAN PHX 07:40 07:11 (−29)
09-29SAN PHX 07:40 07:26 (−14)
09-28SAN PHX 14:00 17:01 (+181)
09-27SAN PHX 07:35 07:17 (−18)

Board clocks recorded as SAN 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 — WN3557 San Diego to Phoenix on-time performance, measured from the SAN and PHX airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3557
How we measure this →