WN4855Southwest Airlines · MSY → SAN
live · 3m ago
Route confirmed Southwest Airlines

WN4855 New OrleansMSY · 16:55 San DiegoSAN · 18:50

WN4855 by Southwest Airlines flies from New Orleans (MSY) to San Diego (SAN) for the Wed, Oct 28 departure.

Right nowDescending into San Diego
19:32

estimated arrival at SAN · local time · ~37 min from now

LivePosition · updated 3m ago
SAN129 mi · ~37 min leftMSY
30,600 ftAltitudedescending
518 mphSpeed450 kt
268°Direction

Live position · flown path, last 3h 14m

Typical gate push+52 minmedian posted departure
Typical arrival+33 minmedian over 4 operations
Wins back in air~19 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
10-27
+18 gate · +4 arrival
10-25
+71 gate · +45 arrival
10-21
+12 gate · −9 arrival
10-20
+52 gate · +33 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
MSYNew OrleansOn-time likelyMSY delay board →
SANSan DiegoOn-time likelySAN delay board →
MSY→SANevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
54%Chance of 15+ min delay
1.1%Chance of cancellation
+18 minAvg hub delay right now

Conditions at MSY 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 →

Tomorrow on this route

Forecast

New Orleans to San Diego with Southwest Airlines · Thu 29 Oct, local date

Outlook: about usual
Chance a departure leaves 60+ min late
23%0.9× usual

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Fewer than one departure a day on this route with this airline, so read it as a rough guide. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 New Orleans to San Diego flights today

same route · Southwest Airlines
WN3279departs 09:00

If WN4855 is cancelled, this is the other Southwest Airlines nonstop flight from New Orleans to San Diego on the same day, with scheduled departure times in MSY local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4855 actually runs

Pro Flight Search has tracked every published board update for WN4855 across the MSY and SAN boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 1 confirmed landing · 1/1 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 WN4855 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
10-27MSY 16:55 17:13 (+18)SAN 18:50 18:54 (+4)
10-25MSY 18:40 19:51 (+71)SAN 20:35 21:20 (+45)
10-21MSY 16:55 17:07 (+12)SAN 18:50 18:41 (−9)
10-20MSY 16:55 17:47 (+52)SAN 18:50 19:23 (+33)

Aircraft

Recent tails: N8960L, N8815L, N8972S, N8761L.

Board clocks recorded as MSY 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 — WN4855 New Orleans to San Diego on-time performance, measured from the MSY and SAN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4855
How we measure this →