WN4566Southwest Airlines · SMF → SAN
live · 51m ago
Route confirmed Southwest Airlines

WN4566 SacramentoSMF · 06:25 San DiegoSAN · 07:55

WN4566 by Southwest Airlines flies from Sacramento (SMF) to San Diego (SAN) for the Sat, Sep 12 departure.

Right nowEn route to San Diego · off blocks 06:34 · 9 min late
En route

en route from SMF to SAN

En routeWN4566 · position estimated
SMFSacramentoSANSan Diego
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 06:34 · typical taxi-out at SMF ≈ 5.1 min.

Typical gate push+10 minmedian posted departure
Typical arrival−7 minmedian over 7 operations
Wins back in air~17 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-12
+9 gate · −7 arrival
09-11
+9 gate · −7 arrival
09-10
+19 gate · +2 arrival
09-09
+10 gate · −5 arrival
09-08
+20 gate · +4 arrival
09-07
+3 gate · −8 arrival
09-04
−7 arrival

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

The last 30 days

arrival outcome per operation

median arrival −7 min · 0 cancelled · 7 operations tracked

The route today

live boards
SMFSacramentoOn-time likelySMF delay board →
SANSan DiegoHigh riskSAN delay board →
SMF→SANevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
0.6%Chance of cancellation
+8 minAvg hub delay right now

Conditions at SMF and SAN 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 Sacramento to San Diego flights today

same route · Southwest Airlines
WN1292departs 06:45
WN2034departs 07:35
WN5021departs 08:30
WN528departs 08:30
WN1797departs 09:30
WN1991departs 09:30

If WN4566 is cancelled, these are the other Southwest Airlines nonstop flights from Sacramento to San Diego on the same day, with scheduled departure times in SMF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4566 actually runs

Pro Flight Search has tracked every published board update for WN4566 across the SMF and SAN boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min early. Based on 5 confirmed landings · 5/5 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how WN4566 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-12SMF 06:25 06:34 (+9)SAN 07:55 07:48 (−7)
09-11SMF 06:25 06:34 (+9)SAN 07:55 07:48 (−7)
09-10SMF 06:25 06:44 (+19)SAN 07:55 07:57 (+2)
09-09SMF 06:25 06:35 (+10)SAN 07:55 07:50 (−5)
09-08SMF 06:25 06:45 (+20)SAN 07:55 07:59 (+4)
09-07SMF 06:25 06:28 (+3)SAN 07:55 07:47 (−8)
09-04SMF SAN 07:55 07:48 (−7)

Aircraft

Recent tails: N8628A, N8722L, N8785L, N878Q.

Board clocks recorded as SMF and SAN 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 — WN4566 Sacramento to San Diego on-time performance, measured from the SMF and SAN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4566
How we measure this →