WN4348Southwest Airlines · SMF → LAX
live · 4h ago
Route confirmed Southwest Airlines

WN4348 SacramentoSMF · 19:10 Los AngelesLAX · 20:40

WN4348 by Southwest Airlines flies from Sacramento (SMF) to Los Angeles (LAX).

Right nowNext departure today Operates daily
19:50

scheduled from SMF

Typical gate push+10 minmedian posted departure
Typical arrival+22 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+37+73+110 min
10-14
+56 gate · +22 arrival
10-13
+0 gate · +110 arrival
10-07
+10 gate · −21 arrival
10-06
+6 gate · −24 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
SMFSacramentoOn-time likelySMF delay board →
LAXLos AngelesOn-time likelyLAX delay board →
SMF→LAXevery 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
0.9%Chance of cancellation
+8 minAvg hub delay right now

Conditions at SMF and LAX 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 Los Angeles flights today

same route · Southwest Airlines
WN2048departs 05:25
WN1368departs 05:55
WN1843departs 06:00
WN3933departs 07:10
WN1660departs 09:05
WN4441departs 09:20

If WN4348 is cancelled, these are the other Southwest Airlines nonstop flights from Sacramento to Los Angeles 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 WN4348 actually runs

Pro Flight Search has tracked every published board update for WN4348 across the SMF and LAX boards: schedule changes, gate pushes and actual clocks. Usually lands ~78 min late. Based on 4 confirmed landings · 2/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4348 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
10-14SMF 19:10 20:06 (+56)LAX 20:40 21:02 (+22)
10-13SMF 19:15 (+0)LAX 20:40 22:30 (+110)
10-07SMF 19:10 19:20 (+10)LAX 20:40 20:19 (−21)
10-06SMF 19:10 19:16 (+6)LAX 20:40 20:16 (−24)

Aircraft

Recent tails: N8746Q, N555LV, N8792Q, N8763L.

Board clocks recorded as SMF and LAX 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 — WN4348 Sacramento to Los Angeles on-time performance, measured from the SMF and LAX airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4348
How we measure this →