WN4427Southwest Airlines · SAN → DAL
live · 21m ago
Route confirmed Southwest Airlines

WN4427 San DiegoSAN · 08:25 DallasDAL · 13:25

WN4427 by Southwest Airlines flies from San Diego (SAN) to Dallas (DAL) for the Mon, Sep 14 departure.

Right nowLanded in Dallas · today
13:30

arrived at DAL · 5 min late

Typical gate push+0 minmedian posted departure
Typical arrival+6 minmedian over 6 operations

Where the minutes go

last 6 operations · gate push → arrival
0+47+93+140 min
09-14
+0 gate · +5 arrival
09-13
+36 gate · +140 arrival
09-12
−1 gate · −14 arrival
09-11
+0 gate · +14 arrival
09-10
−2 gate · +6 arrival
09-07
−1 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 +6 min · 0 cancelled · 6 operations tracked

The route today

live boards
SANSan DiegoOn-time likelySAN delay board →
DALDallasOn-time likelyDAL delay board →
SAN→DALevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
52%Chance of 15+ min delay
0.7%Chance of cancellation

Conditions at SAN and DAL 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

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 Dallas flights today

same route · Southwest Airlines
WN4838departs 06:20
WN4426departs 06:40
WN686departs 06:55
WN714departs 07:50
WN685departs 10:20
WN1016departs 10:55

If WN4427 is cancelled, these are the other Southwest Airlines nonstop flights from San Diego to Dallas 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 WN4427 actually runs

Pro Flight Search has tracked every published board update for WN4427 across the SAN and DAL boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min late. Based on 6 confirmed landings · 4/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4427 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
09-14SAN 08:25 (+0)DAL 13:25 13:30 (+5)
09-13SAN 16:35 17:11 (+36)DAL 21:40 00:00 (+140)
09-12SAN 16:05 16:04 (−1)DAL 21:10 20:56 (−14)
09-11SAN 08:25 (+0)DAL 13:25 13:39 (+14)
09-10SAN 08:25 08:23 (−2)DAL 13:25 13:31 (+6)
09-07SAN DAL 13:25 13:24 (−1)

Aircraft

Recent tails: N8583Z, N7835A, N8607M, N8702L.

Board clocks recorded as SAN and DAL 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 — WN4427 San Diego to Dallas on-time performance, measured from the SAN and DAL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4427
How we measure this →